NASM33537

Transcription

NASM33537

NATI.NALAER'SPA.ESTANDARD
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O COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS
RESERVED
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NAnoNAt *cnospAc: sTAtrBARos
FED. SUPPLY CLASS
TABLE OF CONTENTS
I
5340
1
DFqCRIPTTON
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7
MATFRTAI
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THRFADS
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4
TAPPFD HOI F
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5
RFDIICFD FTRST COTI
3
6.
DTMENSTONAL DATA
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7.
DEPTH OF RECOMMENDED MINIMUM TAP DRILL HOLE
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8.
DEPTH OF FULL THREAD OF TAPPED HO1E...........
..,......,.,,,,J
9.
LENGTH OF BOLT THREAD PRO]ECTION
A
10
COUNTERSINK AN D COUNTERBORE
4
11
INSTAI I ATTON OF TNSFRT
t2.
BLrND HOLE ASSEMBLY (WITHOUT REMOVAL OF TANG)...
1?
GACTNC PRAT-TI'F
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14
PFRMTTTFD MODTFTCATTONS
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TABLES
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TABI FT_PARTNIIMBFRq
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TABLE
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TABLE
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LENGTHS OF THREAD ENGAGEMENT IN TERMS OF NOMINAL THREAD SIZE.,.,.....,..
_ FORMULAS FOR DIMENSIONS,....,......
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Reproduced By IHS
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REVISED
Vvith The Permission Of AIA,/NAS
Under Royalty Agreement
THE INITIAL RELEASE OF THIS DOCUMENT SUPERSEDES MS33537, REVISION E, AMENDMENT 1. PART NUMBERS REMAIN MS33537
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PROCUREMENT
SPECIFICATION
NONE
REViS]ON
CUSTODIAN
NATIONAL AEROSPACE STANDARDS COMMITTEE
2
TITLE
CLASSIFICATION
DESIGN STANDARD
INSERT, SCREW THREAD, HELTCAL COrL rNCH SERTES,
COARSE AND FINE THREAD, STANDARD ASSEMBLY
DIMENSIONS FOR
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NANONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY.
CONFORIYANCE OF ITEIVIS PRODUCED I.]NDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION
NASM33s37
SHEET 1 OF 13
AIA DOES NOT QUAUFY SUPPLIERS OR CERNFY
OR CLAIM RESPECTING (1) THE SUITABILITY OF
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NATIONAL AEROSPACE STANDARD
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COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
GENERAL INSTRUCTIONS
DESCRIPTION
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Helical coil inserts are screw thread bushings coiled from diamond shaped cross-section wire. They are screwed into
tapped holes to form nominal size internal threads. InserLs are installed by torquing through a diametral tang which
is notched for tang removal.
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2.
MATERIAL
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As specified on the drawing.
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THREADS
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Assembled insefts, Classes 28 and 38, are controlled by the tolerance range of the tapped hole into which insert is
fitted. Due to the radius on the crest of the inseft at the minor diameter, the assembled insert will accept external
threaded pafts which are threaded to ASBB79. The grip coil or coils of the screw locking insert are shaped to
provide a prevailing torque when the screw is installed in the assembled inseft.
TAPPED HOLE
600 Unified Internal thread form with the minimum major diameter based on a truncation to 0.125p.
Designation for taoped hole
The drawing note for the tapped hole, per table IV, that will accept the helical coil inseft shall be in accordance with
the following examples:
EXAMPLE
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,3125.24 UNF-38 HELICAL COIL
INSERT THD THRU PER NASM33537 INSTALL
INSERT ,75-T,5 TURNS BELOW SURFACE
REMOVE TANG - (NOT REQUIRED WITH
TANGLESS INSERTS)
,3125-24 UNF-3B HELICAL COIL
INSERT THD PER NASM33537
.67 MIN FULL THD DEPTH
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For Blind Hole (Based on 2 Diameter
Engagement) (Minor Diameter Drill Depth
Tolerance approx. .060 or as otherwise
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MINOR DIA .3215-.3288 x .791-.851 DEEP
.36-.39 DIA x 115o-125o CSK
THD PER NASM33537 FOR
,3125-24 UNF-38 HELICAL COIL INSERT
.67 MIN FULL THD DEPTH
PITCH DIA ,3395-,3427
MA]OR DIA.3666 MIN
MINOR DIA .3215-.3288 THRU
.36-.39 DIA x 115o-125o CSK
THD THRU PER NASM33537 FOR
,3125-24 UNF-38 HELICAL COIL INSERT
PITCH DIA .3395-.3427
MAJOR DIA .3666 MIN
INSTALL INSERT ,75-T,5 TURNS
BELOW SURFACE
REMOVE TANG - (NOT REQUIRED WITH
TANGLESS INSERTS)
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@ couer-rrElY REVTsED
USE OF OR RELIANCE UPON THIS DOCUN4ENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY.
CoNFoRTYANCE OF ITEI4S PRODUCED UNDER NATTONAL AEROSPACE STANDARDS. ArA I4AKES NO REPRESENTATION
AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
OR CLAITY RESPECTTNG (1) THE SUTTABILITY OF
NATT'NALAER,',A.E'TANDARD
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COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
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REDUCED FIRST COIL
5.
The first coil of the free inseft adjacent to the tang has been reduced in diameter on the larger inserts to facilitate
stafting the inseft into the tapped hole.
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6.
DIMENSIONAL DATA
:
6.1
For free running and screw locking insefts having a nominal length of 1, 7.5, 2,2.5, and 3 times the nominal major
diameter of the screw thread, dimensional data for the following features have been calculated and are listed in
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Table IV:
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Nominal length (Ln)
Length of assembled inseft (L)
Tapped hole diameters (V, V1, V2)
Depth of drilling and tapping (FP, FB, and H)
Countersink diameters (M)
Required bolt thread projection (J and K)
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For all other nonstandard variations in nominal length, the above dimensions shall be calculated from the formulas
given in Table III, using rounding procedures contained in ASTM SI 10.
I for
MS part numbers and nominal lengths of available insefts.
6.2
See Table
6.3
INSERT LENGTH SELECTION:
For applications where the tensile strength of the installed insert is a consideration, Table II will aid in applying the
standard design practice of relating the tensile strength of the bolt material against the shear strength of the parent
or boss material to develop the full load value of the bolt rather than stripping the parent or tapped material. In
using this table, the following factors must be considered.
6.3.1
Actual bolt tensile strength, particularly in the lower bolt tensile ranges/ may be significantly higher than the
nominal values. This should be considered in insert length selection.
6.3.2
The parent material shear strengths are for room temperature. Elevated temperatures significantly reduce shear
strength values; compensation should be made when required.
6.3.3
When parent material shear strength falls between two tabulated values, use the lower of the two.
7.
DEPTH OF RECOMMENDED MINIMUM TAP DRILL HOLE
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The tabulated depth of blind hole for thread tapping allows sufficient depth for assembled insert top coil to be 1.5
pitches below boss sudace. For inseft sizes .3125 and smaller, drill depth FP provides for minimum full thread depth
H, using a plug tap having 4 pitches tap chamfer, plus a length equal to 0.5 x nominal inseft size to clear the tap
external center (conical end), plus 1 pitch tap end clearance. For insert sizes larger than .3125, drill depth FP is for
plug tap having 4 pitches tap chamfer, plus 1 pitch tap end clearance. Drill depth FB is for bottoming taps having 2
pitches tap chamfer, plus 1 pitch tap end clearance. If tap drill holes are not countersun( the assembled insert top
coil may be 0.5 pitch max below boss suface which allows for a 1 pitch reduction in tabulated depth of blind drilled
hole dimensions.
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DEPTH OF FULL THREAD OF TAPPED HOIE
For thru or blind tapped holes with a countersink as specified in Table IV, the Minimum Full Thread, H (also
minimum flange thickness for thru hole), equals nominal length of insert, Ln, as specified in the tabulation, plus 1
pitch. For thru or blind tapped holes without countersink, the minimum full thread (also minimum flange thickness
for thru hole) shall not be less than the nominal length of insert, Ln.
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REVISION
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courer-rrElY REVIsED
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY.
CONFORN{ANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA N4AKES NO REPRESENTATION
NASM33537
AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
OR CLAIN4 RESPECTING (1) THE SUITABILITY OF
Ar{A
NATT,NAL AERosPAcE
'TANDARD
€) COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
9.
LENGTH OF BOLT THREAD PROJECTION
9.1
INSERT WITH TANG REMOVED
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The maximum length of bolt thread projection, J, into the assembled inseft in a blind hole is equal to the minimum
design depth of the tap drill hole, FP or FB. The minimum length of bolt thread projection to provide full thread
engagement and thus to ensure full development of potential joint tensile strength is J616. It is equal to the
maximum length, L, of the inseft, plus 3 pitch (the maximum depth of the assembled inseft top coil from boss
surface, 1.5 pitch, plus bolt chamfer 1.5 pitch). Bolt projectiofl, Jmin, will also ensure full engagement with the grip
coil or coils of a screw locking inseft.
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INSERT WITHOUT TANG REMOVED
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The maximum length of bolt thread projection, K, into the assembled insert when tang is not removed is the
minimum length of insert plus 0.25 pitch.
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COUNTERSIN K AND COUNTERBORE
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The values given in Table IV for Depth of Hole, FP, FB, Minimum Full Thread H, and Length of Bolt Projection, J and
K, are measured from the top surface of the boss or piece and are based on installing the insert below the
countersink as in 11.1. If a counterbore or countersink other than that shown is required or no countersink is used,
the values for FP, FB, H, J, and K must be modified to compensate.
11.
INSTALLATION OF INSERT
11. 1
WITH COUNTERSUNK HOLE
The top edge of the inseft shall be installed 0.75p to 1.5p below top surface of the tapped hole.
WITHOUT COUNTERSUNK HOLE
The top edge of the insert shall be installed 0.25p to 0.5p below top surface of tapped hole.
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11.3
TANG REMOVAL
The tang should be removed from the insert after installation.
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BLrND HOLE ASSEMBLY (WITHOUT REMOVAL OF TANG)
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When the insert tang is not removed, as may be the case with blind hole applications/ an inseft 0.5 diameter longer
than the required nominal length will fulfill the necessary bolt-insert full thread engagement, provided that the bolt
projection satisfies the original Jmin drd the longer insert K,u* tabulated values.
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13.
GAGING PRACTICE
Accuracy of the finished thread, when the insert is installed, is dependent upon the accuracy of the tapped hole. If
the finished tapped hole gages satisfactorily, the installed insert will be within the thread tolerance when the insert
meets the drawing requirements. It is, therefore, not necessary to gage the installed insert. After the insert is
installed, the GO thread plug gage may not enter freely because the insert may not have been fully seated in the
tapped hole; however, the inseft should become seated after a bolt or screw is installed and tightened.
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REV]SION
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USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY, AIA DOES NOT QUAUFY SUPPUERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CTAIM RESPECTING (1) THE SUITABILITY OF
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PERMITTED MODIFICATIONS
Values for FP, FB, H, J, K, M, and installation depth of insert may be modified to suit requirements for production
tooling, design, assembly, etc. See Table III for formulas. Countersink included angle may be modified from
1200 50 to 90" provided that for UNC sizes .190-24 and smaller and UNF sizes .4375-20 and smaller, the top edge
of the insert shall be installed 1.0 to 1.5p below top surface of the tapped hole.
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TABLEI-PARTNUMBERS
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COARSE
M5t22076
thru
DIA
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thru
COARSE
FINE
M521209C0210
M521209F0310
thru
t'qs2t209c24t0
MS2L209F24t0
MS21209C0215
MS21209F0315
thru
thru
thru
thru
MS122155
MS122156
MS124730
t4s2t209c24t5
MSL2473t
thru
M5t24770
M512477t
thru
MS21209C0220
MS2L209F24t5
M521209F0320
thru
MS122195
MS122196
2.5 DIA
thru
M5122235
M5t22236
thru
t4st22275
1v1521209C2420
thru
M52t209F2420
MS21209C0225
MS21209F0325
thru
M52t209C2425
thru
M52t209F2425
M521209C0230
MS21209F0330
thru
MS124810
MS124811
thru
thru
M521209C2430
NASM21209 offers Cadmium Plating and Dry Fllm Lubricant Coating options.
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MS124850
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6-
thru
MS124690
MS124691
2 DIA
3 DIA
F]NE
MS124651
MS122115
MS122116
1.5 DIA
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CRES NASM8846
CRES AS7245
LENGTH
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SCREW LOCKING INSERTS
FREE RUNNING INSERTS
INSERT
NOMINAL
H
K
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LOCKING COIL OR COILS
(SCREW LOCKING INSERTS
TANG REMOVED
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1 PITCH DRILL
2 PITCH DRILL
CLEAMNCE PLUS
LENGTH OF TAP
EXTERNAL CENTER
(CONICAL END)
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CLEARANCE
2 PITCH
BOTTOMING
CHAMFER TAP
4 PITCH PLUG
CHAMFER TAP
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FIGURE
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REV]SION
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REVTsED
NAS1.,133537
SHEET 5
USE OF OR RELIANCE UPON THIS DOCUI{ENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEIVIS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA IYAKES NO REPRESENTATION OR CLAIN4 RESPECTING (1) THE SUITABILITY OF
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NATI.NAL AERosPAcE STANDARD
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@ COPYRIGHT 2013 AEROSPACE IilDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
II _ LENGTHS OF THREAD
TABLE
Shear
Strength
of Material
(psi) (Alum.,
Maq. Steel)
10,000
(.)
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ENGAGEMENT IN TERMS OF NOMINAL THREAD SIZE
Bolt Material Minimum Ultimate Tensile Strength (psi)
54,000
75,000
96,000
108,000
2
2-112
3
3
15,000
L-Ll2
L-U2
2
6
20,000
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25,000
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30,000
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NAIIOiIII ATIOS'ACE SIANDAIOS
125,000
132,000
160,000
2-Ll2
2-U2
3
3
r-Ll2
2
2
2
1
L-t/2
t-u2
r-tl2
1
1
1
r-Ll2
40,000
1
1
1
50,000
1
1
1
180,000
220,000
2-112
3
3
2
2
2-Ll2
2-tl2
t-L12
t-tl2
2
2
2-U2
1
1
l-Ll2
r-u2
1-Ll2
2
1
1
1
1
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TABLE
INFORMATION REQUIRED
(SEE FIGURE 1)
III _
FOR DIMENSIONS
FORMULA
Length of Assembled Insert (L)
Free Running and Screw Locking
Depth of Recommended Minimum Tap Drill (FP or
for Blind Holes (Paragraph 7)
Lrin=1"-0'75P
Lrax=Ln-0.5P
FB)
1. For Plug Taps .3125 Nominal Diameter and smaller:
FP=Ln+6P+0.5D"
2. For Plug Taps larger than .3125:
FP=Ln+6P
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3. For Bottoming Taps:
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Depth of Full Thread of Blind Tapped Hole H
(also Min. Flange Thickness for Thru Tapped Hole)
(Paraqraph B)
Countersink or Counterbore (M)
(Paragraph 10)
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Length of Bolt Thread Projection into Assembled Insert
(J or K) (Paragraph 9)
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Hmin=Ln+1P
Mrin = Vz max Class 38
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Br.* - Dr;n
Mrrr=Mmin+,030
1. Insert - Tang Removed
J,u, = FP.;n (blind hole depth for plug tap)
J,s, = FB,;n (blind hole depth for bottoming tap)
Jrin=L*u**JP
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Jrin=Ln+2.5P
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2. Insert - Tang Not Removed
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WHERE:
Ln = Nominal Length
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of Inseft (Table IV)
= Pitch = 1 / Thread per Inch
B = Wire Height from NASM21209
P
D = Wire Pitch Line from NASM21209
Dn = Nominal Inseft Size (Diameter)
Vz = Tapped Hole Pitch Diameter (Table IV)
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couer-rrElY
REVTsED
NASM33537
SHEET 6
USE OF OR RELIANCE UPON THIS DOCUI4ENT OR ANY NATIONAL AEROSPACE STANDARD I5 ENTIRELY VOLUNTARY. AIA DOES NOT
QUALIFY SUPPLIERS OR CERTIFY
coNFoRlvlANcE OF lrEl4S PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. ArA I4AKES NO REPRESENTATTON OR CtAIt4 RESPECTING (1) THE SUITABTLITY OF
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NATT'NAL AERosPAcE
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'TANDARD
@ COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
TABLE IV
Insert
Insert
Insert
Insert
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Nominal
Nominal
Nominal
Nominal
-
DIMENSIONS
.073
Length, 1 DIA
Length, 1.5 DIA
Length, 2 DIA
Length, 2.5 DIA
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.099
.148
.198
.110
.t46
.t82
.2t9
.248
.297
.LL2
.t25
.168
.224
.280
.336
.188
.250
.3t2
.375
Min Length of insert When
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NominalLength=1DIA
.093
Nominal Length
.749
=
1.5 DIA
=
2.5 DIA
NominalLength=2DIA
Nominal Length
F
.205
.26t
_317
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ASSEI'4BLED INSERT
!.1 6
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PD, Max, Class 28
PD, Max, Class 38
Minor Dia, Max, Class 28
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Depth of Blind
lvlin When
l4in When
lvlin When
[4in When
Hole for
Nominal
Nominal
Nominal
Nominal
Plug Taps,
Length = 1 DIA
Length = 1.5 DIA
Length = 2 DIA
Length = 2.5 DIA
Depth of Blind
lvlin When
l4in When
lvlin When
lvlin When
Hole for
Nominal
Nominal
Nominal
Nominal
Bottoming
Length =
Length =
Length =
Length =
Taps,
1 DIA
1.5 DIA
2 DIA
2.5 DIA
.136
.172
.209
.757
.200
.t49
.t92
.243
.245
.266
.329
.23s
.278
.Z6L
.327
.782
.225
.288
.350
.232
.281
.331
.380
.4tz
.475
NominalLength=1DIA
Nominal Length
TAPPED HOLE
=
1.5 DIA
NominalLength=2DIA
Nominal Length
=
2.5 DIA
PD, Max, Class 28
PD, Max, Class 38
Minor Dia, lv'lax, Class 2B
Minor Dia, l4ax, Class 38
F
u<
tr
<U
OI
Major Dia, Max, Class 28
lvlajor Dia, Max, Class 38
uF
I:
dd
oL
oI
22
5x
=9
o6
az
d<
<OF
efr
6k
FJ
Min, Tang Removed, When Insed
NominalLength=1DIA
.tt2
.125
.L49
.168
.151
.200
.t64
Nominal Length
NominalLength=2DIA
.185
.211
.250
Nominal Length
.227
.254
.297
.300
.276
.332
.388
.188
.250
.312
.374
.438
.102
.158
.7L2
.776
.274
=
1.5 DIA
=
2.5 DIA
,258
THREAD PROJECT]ON
.349
.220
Max, Tang Not Removed, When Insert
zo
n;
EF
Frl
NominalLength=1DIA
.077
.078
Nominal Length
1.5 DIA
.120
.rzt
NominalLength=2DIA
Nominal Length = 2.5 DIA
.163
.206
.t64
.088
.138
.L87
.207
.236
.270
.238
.300
.249
.250
.285
.326
.362
=
:u
=E
{u
oE
U^
6x
l#H
d-
U+
qa
76,
Az<
<ts2
=<o
N39
;..i o ;
Tdu
FLd
o
E
d
o
L
@ corurer-rrElY REVISED
NASM33537
SHEET 7
USE OF OR RETIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORN4ANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA I4AKES NO REPRESENTATION OR CLAIN4 RESPECTING (1) THE SUITABILITY OF
NATToNAL AERosPAcE
4 t: Nr!
i t4t: t:', t l, t I t t'k t t! \
.t,l !.t{. /d ?'t 0 s
@
ABLE IV
U
z
d
L"
d
U
E
L
o
zo
L
F
o
o
-
ASSEN4BLED INSERT
d
D2
.9.
Efii
oo<
Zz>
uHz
D1
9-r9
d>l;
d6J
uod
<H<
FP
FB
PD, I4ax, Class 28
PD, Max, Class 38
PD, Min, Classes 28 & 3B
N4inor Dia, Max, Class 3B
Minor Dia, Min, Classes 28 & 38
Depth of Blind Hole for Plug Taps,
Min When Nominal Length = 1 DIA
Min When Nominal Length = 1.5 DIA
Min When Nominal Lenqth = 3 DIA
Depth of Blind Hole for Bottoming Taps,
Man When Nominal Length = 1.5 DIA
Min Full Thread When
H
v2
F
U<
=r
<!
ox
UF
IE
tso
oL
6=
9i
BE
Sx
M
oo
OZ
d<
<=
OF
Z*
<fi
FL
l
o<
FJ
zd
u,
fi;
a>
F
T'i
ZY,
<tr
jb
{u
oE
THREAD PROJECTION
K
74
.190
.285
,380
.2t6
.410
,475
.540
.492
.492
\7n
\7n
644
.747
.743
.225
.159
.167
.185
.262
.293
.307
.389
.254
.349
.444
.357
.401
.452
.47t
.s39
.547
1736
1726
1697
.509
.617
36
i38
.t64
.207
276
.207
.276
.246
.328
.164
.246
,345
.345
.474
.119
.188
.257
.4t4
.115
.184
.253
.322
.391
.t214
.t204
.1777
.rt4
.
.326
.395
,223
.305
.387
.469
t252
.1475
.7496
.t672
1243
.1465
.t487
.1661
1218
119
.t437
.1450
.1629
139
1389
1300
t42
156
1555
1450
.7740
1
.1040
1110
186
7476
t340
.434
.413
.426
.495
.532
.495
.602
.564
.516
.598
.680
670
.633
.762
.263
.332
.407
.470
.238
.307
.289
.376
.445
.453
.535
s?q
.514
.6t7
.770
.240
.160
= 1.5 DIA
NominalLength=2DIA
NominalLenqth=3DIA
.310
.380
.450
.300
Nominal Length
PD, lYax, Class 28
PD, Max, Class 38
PD, 14in, Classes 2B & 3B
Minor Dia, Max, Class 3B
Major Dia, Ivlax, Class 2B
Major Dia, l,lax, Class 38
Maior Dia, Min, Classes 28 & 38
Countersink, 120o Included Angle
Maximum
lvlinimum
Min, Tang Removed, When Insert
Nominal Length=lDIA
Nominal Length=2DIA
Nominal Lenqth=3DIA
Max, Tang Not Removed. When Inseft
Nominal Length=1DIA
NominalLength=2DIA
NominalLenoth=3DIA
Ui
=<
2'
.328
.410
24
.190
.28s
.380
.475
32
138
161 1
.230
.370
.440
1569
1560
7807
1710
.574
.662
,820
.915
.7s8
.275
.357
.357
.383
.439
.547
.521
6n?
.642
.315
.410
.505
.600
.69s
.200
.280
.360
.190
)70
.230
.330
.220
.260
.370
.360
.420
.440
.520
.1872
.440
.s20
.610
.37t
i543
t78t
7527
.1
503
t448
.1435
7767
1758
7787
1708
,452
.520
.1849
.1840
.182
1
.2203
,2792
.2770
.2720
.1771
.L771
.1701
.2069
.2110
)0,46
.2060
.2001
.2s34
.2523
.2447
.2087
.2080
.1990
A\)
.320
.410
.5
10
.600
.2133
.2t23
.2103
.204t
.204t
.1968
.2381
.237t
.2306
.682
.790
.898
1 006
.497
.599
.707
.815
.470
.s80
.690
.2464
.2453
.2430
.2347
.2340
.2250
.2795
.2784
.2701
,1n
.200
.270
.260
.770
.230
.200
.230
.180
200
.240
.230
.2t6
.200
.242
.233
.294
.268
.285
.270
.338
.408
.476
.315
.397
.389
.354
.423
.492
.324
.406
.488
.570
.479
.363
.458
.553
.t22
.t26
.t94
.749
.237
.1s0
.169
.775
.264
.270
,264
.313
.395
.477
.232
.374
.3s9
.36s
.411
.396
.454
.460
.519
.191
.260
.329
?qR
.332
.402
.s61
.478
.484
.579
.674
54q
.648
qs5
=z<
4>Z
=<o
duo
;o>
rdu
Fdd
o
N
E
1889
181
.725
Ifr.
d
o
L
1922
.577
.659
.747
.1503
1705
L64t
1560
1933
.472
.568
t527
1859
1849
1786
L64
.324
.432
.535
.630
.1862
.1843
1601
1583
.276
.190
54
40
.357
Hg
d--
38
32
.394
.464
NominalLength=1DIA
TAPPED HOLE
NAIIONAI ATPOSPAC' 5'ANDAIOS
DIMENSIONS
Noririnal Insert Size
Threads Per In(
Insert Nominal Length, 1 DIA
Insert Nominal Length, 1.5 DIA
Insert Nominal Lenoth. 3 DIA
Min Length of Insert When
Nominal Length=1DIA
Nominal Length=2DIA
NominalLenqth=3DIA
gq
STANDARD fiftr
COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERIC& INC. ALL RIGHTS RESERVED
@ couer-rrElY REVTsED
USE OF OR RELIANCE UPON THIS DOCUN4ENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIF/
CONFORI4ANCEOFITEMSPRODUCEDUNDERNATIONALAEROSPACESTANDARDS.
AIAMAKESNOREPRESENTATIONORCLAII4RESPECTING(1)THESUITABILITYOF
.290
.260
.320
.428
.s36
.644
.752
.195
.303
6)7
NATIONAL AEROSPACE STAN DARD
-4
j; krttlt,t..t'l
!lrlrs, */1,)_
-1i\i){lr-{?J.l I
Insert
Insert
Inseft
Insert
Insert
DIMENSIONS (CONTINUED
.250
Nomanal Length, 1 DIA
.375
Nominal Length, 1.5 DIA
Nominal Length, 2 DIA
Nominal Length, 2.5 DIA
Nominal Lenoth, 3 DIA
()
z
d
U
d
u
=
.500
.625
.750
NominalLength=lDIA
ro
z
NominalLength=2DIA
o
F
()
o
ASSEMBLED INSERT
.212
.223
.338
.462
.588
.712
.348
.473
.598
.723
.375
.312
.469
.625
.562
.781
.750
.938
.938
L.tzl
PD, Max, Class 28
PD, Max, Class 38
U^
EtN
o6<
Z-S
Depth of Blind
Min When
Min When
Min When
Min When
Ec=
fr=h
ts8=
uoE
<i<
Hole for
Nominal
Nominal
Nominal
Nominal
Depth of Blind Hole for
Min When Nominal
lvlin When Nominal
l.4in When Nominal
I'4in When Nominal
Min When Nominal
Min. Full Thread When
Plug Taps,
Length
Length
= 2 DIA
= 2.5 DIA
Nominal Length
=
1.5 DIA
NominalLength=2DIA
Nominal Length
r.524
t.743
Bottoming Taps,
Length = 1 DIA
Length = 1.5 DIA
Length = 2 DIA
Length = 2.5 DIA
Lenqth =
NominalLength=1DIA
TAPPED HOLE
.867
1.086
1.30s
Length = 1 DIA
Length = 1.5 DiA
= 2.5 DIA
.300
.430
.550
.680
.800
PD, Max, Class 28
PD, Max, Class 38
Minor Dia, N4ax, Class 38
F
U<
,J
<U
6I
uF
Fo
dd
|4E
Y2
lvlin, Tang Removed, When Insert
6i,
dz
d<

HH
EE
.232
.357
.285
.29t
.44t
.448
.482
.597
.754
.910
.604
.607
.732
.760
.915
<U
@=
6n
uii
d
U+
16,,r
z =,<ts2
=ed
N99
96=
=du
Fdd
o
d
=
o
r
@ cor,rer-rrELY REVISED
USE OF OR RELIANCE UPON THIS DOCUIVIENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPUERS OR CERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIIVI RESPECTING (1) THE SUITABILITY OF
NATI'NALAERosPAcE'TANDARD
.{ ii
f,.r r Ala:t'r.{
ala:J t
{l!t {
ABLE IV
(J
z
Nominal Insert Size
Threads Per Inch
Insert Nominal Lenqth, 3 DIA
L
U
d
u
z
L
z
-
NominalLength=lDIA
I
o
NominalLength=2DIA
Nnmin:l lpnnth = ? DTA
F
s
a
INSERT
D2
9a
d .!
F 6:-l
E:i,od<
D1
Zz>
ux2
?dP
fi59
d6J
UOG
<H<
FP
FB
PD, Max, Class 28
PD, Max, Class 38
PD. Min. Classes 28 & 38
Min When Nnminal I endth = ? DIA
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Bottoming Taps,
Length = 1 DIA
Length = 1.5 DIA
Length = 2 DIA
Length = 2.5 DIA
Lenqth = 3 DIA
NominalLength=1DIA
TAPPED HOLE
Nominal Length
H
=
1.5 DIA
NominalLength=2DIA
Nnminallannth=1DTA
F
U<
z
:J
M
Zn
< iil
FL
FJ
zo
o>
Ptr
CONTI
.500
1J
.500
.750
1.000
1.250
1.500
.442
.692
.942
.5625
20
.500
.750
1.000
1.250
1.500
.462
.712
t7
.562
.844
1.725
.562
1.406
1.588
1.405
1.688
.500
.527
.78t
t.344
1 6)q
.802
1.083
1.36s
1 646
.844
t.t2s
t.t92
1 44-)
1
.4565
.4731
.5
152
.5323
.4548
.47t7
.5135
.5308
.4675
.457
.4537
.4460
<oR4
.5264
.4500
.434
.4284
.4t70
.962
46)
1.062
.490
.4843
.4720
.800
1.050
1.300
1.550
1.062
1.343
1.624
1.905
1 ROO
2
.808
1.058
1.308
1.558
1.808
.700
.950
1.200
1.450
1.700
.895
.580
.830
1.080
1.330
1 qRO
.550
.800
1.050
1.300
1.550
.5371
.5357
.5325
,5223
5186
5108
5768
5754
5650
7,2t2
7,462
t.772
7.962
.5554
.5537
q4qq
Minor Dia, lYax, Class 38
Minnr l..)ia Min Clac<ps rB & ?R
.5335
.5273
.5165
.6165
.6148
.5999
1R6
t,176
1.457
t.738
2,O79
,515
.5106
.5020
.89s
t.t76
7.457
1.738
,
n1q
.784
1.06s
1.346
7.627
1.908
.550
.930
1.210
1.490
1 77n
.620
.900
1.180
1.460
.6225
.6208
61 67
.6035
.5986
.5918
sRo6
.6887
.6870
ATNA
.750
625
18
.962
1.2t2
PD, l4ax, Class 2B
PD, f4ax, Class 38
PD Min ala<spc 2R & 3R
lYajor Dia, lYax, Class 38
Maior Dia. Min. Classes 2B & 3B
Countersink, 120o Included Angle
Maximum
NAIIONAT ATRD$'A(T s'ANBA
t1
18
10
.625
.938
1.250
1.562
1.875
.625
.750
.750
.938
1.250
L.L25
1.500
1.875
1.875
) )\o
1.125
1.500
1.875
) )\n
.557
.869
1.182
1.494
1.807
.583
.896
1.208
1.521
1.833
5949
5934
5889
.578
.5730
.5650
.675
.703
1.050
,5732
.5774
.5560
.546
.539
1
.5270
7.170
1.483
1.795
2.108
) 4)n
.989
1.301
1.562
.958
7.271
1.583
1.896
2.20A
.847
1.160
1.614
!.472
7.926
2.239
)
.720
1.785
nq7
.680
.990
1.310
.770
1.052
1.333
.701
7.6t4
1.150
1.525
1.900
2,275
2 6qO
.850
1.230
1.600
1.980
2.350
NominalLength=1DIA
l
Nominal Length
=
1.5 DIA
NominalLength=2DIA
Nominal Length
=
2.5 DIA
NominalLenoth=3DIA
THREAD PROJECT]ON
2.125
? qon
.900
.850
R70
R)i
.764
7.077
1.389
1.701
1.000
1.375
1.750
2.125
.905
1.281
1.656
2.031
2.0t4
2.500
)
.597
.910
1.222
1.535
1.847
.700
1.075
1.450
1.825
.7t9
2.200
2.2L9
7.620
1.930
.6661
.66/'6
.7087
.6972
7.692
.875
1.125
1.375
1.625
.46t
.47s
.527
.7tL
.725
.961
t.2t1
.975
L.225
.802
1.083
1.365
1 461
1
1 64Fl
t.L92
1".442
1.896
.983
.852
1.165
7.264
t.477
1.545
1.827
t.789
2.t02
NominalLength=1DIA
K
Nominal Length
=
1.5 DIA
.535
.816
1.097
.580
.892
1.205
NominalLength=2DIA
Nominal Length
=
2.5 DIA
NominalLenqth=3DIA
47\
7,379
t.517
1 660
1 R?n
JU
<U
oE
oX
ui
d-
q d.,
Y6r
=z<
<tz
=<o
xq9
95i
Tdu
Fdd
L
1.000
1.375
1.750
4n.6
=U
AH
d
=
o
2.250
2.62s
.720
.690
.7607
.625
2.850
.8799
.5461
6147
.692
.942
2.475
t.125
1.500
1.875
7776
7720
7635
.8457
.8441
.8312
.5370
.7102
.760
1.350
7.725
2.100
5R70
7838
7716
.9010
.8990
.7625
.730
.6545
64)n
7926
.6476
.660
.530
.696
.6908
t
,b+5
.690
.660
.7094
.663
.tri97
.6447
.s90
.s60
.7143
6R50
7945
7906
.6564
620
ss0
.7t59
.8196
.8149
\74q
.743t
2.203
.6927
.6907
.6611
.5826
5qR6
2.175
.82t6
.54/2
.6020
1.800
1.078
1.453
1.828
7.425
.810
1.190
1.560
1.940
2.310
7961
1.030
1.340
1.650
1.970
.5903
.6885
.6841
.6641
1 74/.|
16
==
Sx
oo
az
d<
<I
OF
ffi
@ corver-rrElY REVTsED
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORN4ANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA N4AKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
1.094
7.469
1.844
OS
ffi@coPYRIGHT2o,,I:lI3H,:-l:x":.,,^l"::,,^I.l,}:3.l..?*,n,,.REsERvEDffi
TABLE IV _
Inset
<.
Nominal Lenqth, 1 DIA
d
U
z
o
:
L
NominalLength=1DIA
F
NominalLength=2DIA
o
z
o
Nominal Length
o
ASSEMBLED INSERT
=
1.625
2.037
2.438
1.5 DIA
PD, Max, Class 28
PD, Max, Class 38
1.0158
1.0139
1.0084
uo
Minor Dia, Max. Class 38
3-"i
o6<
Zz>
u;7
Depth of Blind
Min When
Min When
Min When
Min When
9rP
e>l^
VOH
<i<
Hole for
Nominal
Nominal
Nominal
Nominal
Plug Taps,
Length
Length
Length
Length
1 DIA
1.5 DIA
= 2 DIA
= 2.5 DIA
=
=
of Blind Hole for Bottoming Taps
Min
Min
Min
Min
When Nominal
When Nominal
When Nominal
When Nominal
lvlin When Nominal
Length
Length
Length
Length
Lenqth
= 1 DIA
= 1.5 DIA
= 2 DIA
= 2.5 DiA
= 3 DIA
NominalLength=1DIA
Nominal Length
TAPPED HOLE
=
1.5 DIA
NominalLength=2DIA
t.Lz3t
L.LZL2
t.t767
lvlinor Dia, N4ax, Class 28
I,linor Dia, I\4ax, Class 38
F
U<
z<U
OI
1.7094
1.1075
1.1893
1,T874
f.i708
UF
FO
dd
or
6z
e2
d^
=v
oo
az
d<

FT:
<il
ju
{u
o=
a-
=
NominalLength=2DIA
Nominal Length
=
1.5 DIA
NominalLength=2DIA
/a/ INACTIVE FOR NEW
DESIGN AFTER 3 MARCH 1969. NO SUPERSEDING STANDARD.
?,i
=z<
<tz
=<o
olE
;o>
-du
t-Ld
o
E
d
o
L
@ corurer-rrElY REVTsED
USE OF OR REUANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY.
CONFORMANCE OF TTEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTANON
NASM33537
AIA DOES NOT QUAUFY SUPPUERS OR CERTIFY
OR CLAIM RESPEfiNG (1) THE SUIIABILITY OF
O COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
TABLE IV
z
Nominal Insert Size
Threads Per Inch
Insert Nominal Lenqth, 3 DIA
L"
<.
U
d
u
E
L
o
z
o
L
F
U
o
ASSEMBLED INSERT
D2
u..l 6
!0>i.i
o6<
Zz>
uYz
D1
?:e
4=i.e
d61
<H<
FP
FB
Nominal Length
=
1.5 DIA
= 2.5 DIA
NominalLenqth=3DIA
M
6=
9,
==
$x
oo
dz
d<
<=
AF
Zil
<
iil
tsL
o:{
FJ
zo
6o>
UFT:
ZY,
<E
JU
{u
PD, Max, Class 28
PD. Max, Class 38
PD. Min, Classes 2B & 38
14inor Dia, Max, Class 3B
I,4inor Dia, l"'lin, Classes 28 & 38
lvlajor Dia, Max, Class 28
N4ajor Dia, Max, Class 38
Maior Dia. Min. Classes 28 & 3B
Countersink, 120' Included Angle
lvlaximum
lvlinimum
NominalLength=1DIA
l
Nominal Length
=
1.5 DIA
NominalLength=2DIA
Nominal Length
= 2.5 DIA
NominalLength=3DIA
THREAD
1.125
1.588
2.2s0
2.872
3.375
2.143
2.705
Nominal Length
F
25
? 76R
1.0416
1.0393
l2
1.125
1.688
1.188
1.781
2.375
2.969
3.562
2.250
2.8L2
3.375
1.125
1.719
2.062
2.750
3.281
? q?A
4.125
1.188
1.812
1.250
1.906
1.250
1.938
2.562
3.2L9
2.3t2
2.393
2.906
? 500
3.018
3.543
1.1668
3.062
3 6RR
.998
.987s
.9700
.053
.0448
.0350
.115
.1073
3.670
4 )1)
1.969
2.62s
2.750
? a1)
1409
1390
1aa4
3.t07
3 7qn
.o970
r.1644
1.7572
7.t23
1.1125
1 0qqn
3.438
2.62s
3.312
4.000
.2771
.2745
3.375
4 n6)
1.750
1.812
2.375
1.875
2.375
2.469
3.125
3.781
3.062
3.750
2.552
3.000
4.438
3.250
3.938
4.438
5 1?5
4
1.3291
1.3270
)667
I
aaE
1.303
?rna
t.2323
.2146
t.2948
1
.1950
1
)))n
'R(n
1.625
2.188
1.688
1.281
2.750
3.312
2.875
3.469
4 06)
2.107
2.732
3.357
3.982
4.607
7.527
2.775
2.708
1.821
1.583
t.646
2.042
1.708
2.446
3.071
?.208
2.302
2.729
2,396
2.958
3.615
4.277
3.477
4'l)1
2.833
3.458
4.083
4.704
3.083
3.771
4.792
4.458
1.330
1.960
2.580
1.400
2.050
1.540
1.450
2.150
2.831
3.520
3 R75
3.62s
4.250
1.458
2.82t
2.583
3.384
3.746
3.946
3.708
3.302
3.896
t.270
1.210
1-.270
1.390
1.830
2.390
t.770
1.870
2.330
2.900
? 460
2.460
2.020
2.640
3.050
? 6qo
3.270
3 RgO
3.210
1.35 14
1.3112
1.3092
1 1i4)
1860
t,2239
1841
1 )17R
1834
t792
1b 1t
t730
153
1559
.3396
111a
?1 n6
.2522
.2503
7???
1
1
471
.2482
.2463
.2417
1.2236
1.2156
I 2056
3.696
1.3490
1.3428
1.3084
1.2980
1 R?O
1.2861
t.278t
1 7R0q
't
.3125
t.4648
t.4624
TqsR
1.4356
7.3774
1.3754
1 ?qR?
.3t44
t.440
1.320
1
1.250
1.220
1.315
1 ?Aq
1.482
2.045
1.333
1.896
1.396
1.989
2.607
2.458
2.583
7.232
2.857
3.r69
3.020
3.583
3.t77
3.482
a a1l
4.L07
1.083
t.146
1.t79
7.646
2.208
1.740
2.333
2.777
3.333
2.927
3.521
1.804
2.429
3.0s4
1.410
r.607
26R1
1.380
1 ?50
1.458
2.083
2.708
3.333
3.958
2.7t0
3.360
2.230
2.920
3.600
A)\
4 i)o
t.3732
4 )qn
.4926
t.37t3
.4900
4Ra)
L.4343
.4476
1.4111
1.4031
1.3667
1.3486
1.3406
1 ??n6
.4310
.4110
.4394
.4375
.6248
4)OR
Eq1 q
t.440
1 410.
1.520
2.t77
.6223
t.4364
1 ?q?1
1.5026
1,5005
I
4R??
1.s90
1.560
1.500
1 470.
7.792
2.479
2.270
1.583
2.833
3.489
3.t67
2.958
3.855
3.U6
4.t46
4.54?
4.333
7.277
7.927
2.583
1.292
1.333
2.02r
3.239
7.979
2.667
3.354
3.896
4.042
PROJECIION
Ivlax, Tang Not Removed, When Insert
K
NominalLength=lDIA
= 1.5 DIA
1.054
1.616
NominalLength=2DIA
2.t79
Nominal Length
Nominal Length
= 2.5 DIA
NominalLenoth=3DIA
2.747
3,304
3.679
1.208
1.833
2.458
3.083
3.708
oii
U:
=<
=z<
B<o
4lz
duo
;o>
zdu
Fdd
o
N
d
L
t.3t2
2.000
2.588
t.24t)
t.2640
1 )\R4
@>:
:
3.438
4 l)q
1.178
1.1698
1 16n0
2.02L
3.732
t2
7.375
2.052
2.750
1.2659
1.696
'qn
? R7q
75
1.2039
1.2019
1 lqqq
2.259
2.960
? q?n
t.2162
1
6
1.375
1.143
1.768
3.r25
t2
t.3t2
1.2s0
1.875
2.500
3.125
1 7Sn
1.250
1.875
2.500
2.438
.0787
.0768
nTnq
2.545
1.3125
t2
7
1.062
1.625
2.188
10",))
1.982
L.2s
1.1875
72
7
NominalLength=2DIA
NominalLenqth=3DIA
NominalLength=2DIA
U<
>J
<U
6E
UF
I9
F6
dd
os
CONTINUED
1.018
1.580
PD, Max, Class 2B
PD, Max, Class 3B
PD, Min, Classes 2B & 3B
Minor Dia, lYax, Class 28
Minor Dia, [4ax, Class 3B
Minor Dia, [4in, Classes 28 & 38
Min When Nominal Lenoth = 3 DIA
Depth of Blind Hole for Bottoming Taps,
Min When Nominal Lenqth = 3 DIA
H
DIMEN
NominalLength=lDIA
NominalLength=lDIA
TAPPED HOLE
-
@ corver-rrElY REVTsED
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NANONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEI4S PRODUCED UNDER NATIONAL AEROSPACE STANDARDS, AlA MAKES NO REPRESENTANON OR CLAIN4 RESPECTING (1) THE SUITABILITY OF
2.708
3.396
4.083
ffiEtT
G)
COPYRIGHT 2013 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC, ALL RIGHTS RESERVED
TABLE IV
-
DIMENSIONS (CONTINUED
U
Inseft Nominal Length, 1.5 DIA
Insed Nominal Length, 2 DIA
d
Inseft Nominal Lenqth, 3 DIA
Min Length of Inset When
z
d
o
u
=
u
o
zo
Nominal Length=1DIA
NominalLength=2DIA
F
U
o
a
ASSEMBLED ]NSERT
q
2.2038
PD, Max, Class 28
PD, Max, Class 38
2.2018
2.1959
Stin
a6<
Z2>
uYz
9:io
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
Min When Nominal
lvlin When Nominal
Min When Nominal
_aEb
uod
<i<
t.428
2.178
1.4198
1.4100
2.1698
2.1600
2.428
7.4798
2.4700
Plug Taps,
Length = 1 DIA
Length = 1.5 DIA
Length = 2 DiA
Length = 2.5 DiA
Lenqth = 3
Bottoming Taps,
= 1 DIA
= 1.5 DiA
= 2 DIA
= 2.5 DIA
= 3 DIA
Length
Length
Length
Length
Lenqth
NominalLength=1DIA
Nominal Length
TAPPED HOLE
= 1.5 DIA
NominalLength=2DIA
PD, Max, Class 28
PD, Max, Class 38
PD, Min, Classes 28 & 38
It4inor Dia, Max, Class 28
lvlinor Dia, Max, Class 38
lvlinor Dia, I\4in, Classes 28 & 38
U<Lo
2
E9
oo
oz
d<

UT
FT;
ZY,
<tr

tdu
Fad
o
E
d
o
L
@ covrer-rrElY REVISED
NASM33537
SHEET 13
USE OF OR RELIANCE UPON THIS DOCUN,IENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFORMANCE OF ITEIVIS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS, AIA I4AKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF

NASM33537

Transcription

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