NASM21209

NA.TIIONAL AEROSPACE STAN DARD
O COPYRIGHT 2OO9 AEROSP.ACE INDUSTRIES ASSOCIATION OF AMERIC& INC. ALL RIGHTS RESERVED
I
NO. OF COILS
NOTCH
FROM
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ia
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WITH
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EAN
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FROM
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9e4
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SQUART
FIRST COIL @ TO MTET FRET
ANGULAR
@210" FRoM TANG wtTHtN 20"
STAGGERED GRIP
LOCATIONS OF
LOCKING SIDES
F
IIOTCH TO
ON TDGT
BE
OF
FIRST COIL
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INMAL
PROCUREMENT
SPECIFICATION
E
d
wth The permission of A|A/NAS
d.
underRoyaltyAgreement
|!
E
THE
RELEASE OFTHIS DOCUMENT SUPERSEDES MS21209, REVISION
E.
PART NUMBERS REMAIN MS21209.
CUSTODIAN
ir
o
o
ReproducedBylHS
NASM8B46
REVISION
NATION,AL AEROSPACE STANDARDS COMMITTEE
2
TITLE
CLASSiRCATION
PART STANDARD
rNsEFrT, SCREW THREAD, COARSE AND F!NE,
scREiw LocKrNG, HELTCAI COrL, CRES
NASM21209
SHEET 1 OF 8
USE OF OR RELIANCE UPON TIIIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENNRELY VOLUNTARY. AIA DOES NOT QUAUFY SUPPUERS OR CERTIFY
coNFoRMANcE oF ITEMS PRoDUCED UNDER NATToNAL AERospAcE STANDARDS. AIA MAKES No REPRESENTAI-IoN oR cLltu neseLcnte
11) THE suITABury oF
ITEMS FOR ANY PARTICULAR APPUCATION OR (2) THE EXISTENCE OF OR APPUCABIUTYTHERETO OF PATENT OR IIRADEMARI(S RIGHTS.
u
o
u,
e{e
*s#n#ac*:Nftrv'st'x'tt8
NATT'NAL AER''PACE srrrNDARD
o
copyRrcHT 2oo9 AERospAcE rNDUsrRrEsassocrATrot{ oFAMERTCA, rNc, ALL RrcHTs RESERVED
L trAbl
60'
U
io
e
u
:
BASTC
=
MIN
L
o
zo
M
TTAL CONDITION
MAX MTTAL
lD
B
o
I
MIN
MIN
CONDITION
MA)i
B
6
A MIN
FLAT
[/IN
B
MAX
U^
q:N
-t'-
oE<
==>H6=
t MIN
--z-
XFE
Y9r
A
E
MIN
FLAT
EEE
STT VIEW
B
E
MIN
I
MAX
I.
TO
FI-ANKS
DASH
NO,
OI
uFE
FO
oL
Z=
EY
5x
6[;
oz
d<
<x
OF
Z*
<tr
!r<
40
=z
35
FT,
zil
<[
<u
OE
HH
gza
<t-z
xq9
;6c
ilo>
.085-56
,099-48
.LL2-40
.t25-40
,138-32
.L64-32
.L90-24
.2L6-24
.:250-Z0
,3125-18
.375-16
.437s-Lq
.500-13
.562s-L2
.62s-1
1
.750-10
.875-9
1.000-B
1.125-7
L.250-7
L.375-6
1.500-6
c0210
c0310
c0410
c0510
c0610
c0810
c1-10
c2-10
c4-10
c5-10
c6-10
LENGTH
(REF)
WEIGHT
LBS/100
.086
.099
.Ltz
.Lzs
.138
.164
.190
.216
.250
.3L25
.375
.4375
M
TI
coTl
.0051
.o077
.0121
,0154
1.500
.0243
.035s
1.375
1.750
,0573
.077
t.4375
.t45
.232
1.4375
L.375
L.625
1.750
1.6875
2.000
1.250
to.4B7
c2210
L.375
14.505
2.7875
2.250
2.4375
2.562s
2.6250
2.9375
3.125
3.1875
3.0625
3.500
3.250
c24LO
1.500
t7.s63
3.62s
c7-I0
cB-10
c9-10
c1010
c1210
c1410
c1510
c1810
c2010
B
Dash numbers and dimensions fcrr coarse thread series
STTF
u<q
MIN
TNLARGTD VITW
FIG, 3
1 DIAMETER NOMINAL LENGTH
NOM]NAL
THREAD
T
MAX
2
STCTION A_A
TABLE
MIN TANGENT
,500
,5625
.625
.750
.391
.667
.794
1.23s
r.f I l
,875
2.778
4.545
1.000
T.L25
8.392
5.882
N
+1 14
DA,SH
NO.
1.5 DIAMETER NOMINAL LENGTH
LENGTH
WEIGHT
M
(REF)
II
LBS/100
coTl
3.00
2.875
2.750
3.250
2.750
3.500
2.875
3.500
3.375
4,000
4.375
4,500
4.875
5.125
5.250
5.875
c02:1"5
.t29
c0315
.148
.158
c081s
.20)
.246
c1-1,5
.285
c2-15
.324
.375
.469
.0084
,0125
.0196
,0250
.0384
,0556
.0899
.119
,196
.359
c6-1s
c7-15
.562
.625
cB-15
c9-15
.750
.844
.938
c04:15
c0515
c0615
c4-1,5
c5-15
c101s
c12:15
,1BB
4E4
7.000
c20rL5
1.125
1.312
1,500
1.688
1.875
6.s00
7.250
c221t5
2.062
c24115
2.250
6,250
6.375
c141s
6.r25
c18lL5
c1615
coll
coll
2.625
5,250
2.s00
s,000
2.375
2.750
4.750
2.375
3.000
2.s00
3,000
2.875
3.3125
4.750
3.625
7.250
3.6875
3.9375
7.375
7.875
8.250
8.500
.943
1.316
1.961
4.t25
2.439
4,000
4.250
4.6875
5.250
9.091
5.000
5.0625
12.924
4.9375
16.070
5.625
5.250
5.750
22.264
26.915
N
lLl4
5.500
6.000
5.000
6.000
5,750
6.625
9.375
10.000
10.125
9,875
11.250
10.s00
11.500
REVISION
N
2
E
NASM21209
tr
SHEET 2
usE oF oR RELTANCE UPON THIS DOCUMENT OR ANY NAIONAL AEROSPACE STANDARD IS ENTIRE:LY VOLUNTARY. AIA DOES NOT QUAIJFY SUPPLIERS OR CERTIFY
CoNFoRMANCE OF ITElrlS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS, AIA MAKES NO TUPRESENTATION OR CLArM RESPECTING (r) THE SUITABILTTY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABIUTY THERETO OF PATENT OR TMDEMARKS RIGHTS.
N'\T]TONAL AEROSPACE STAN DARD
@ COPYRIGHT 2OO9 AERIOSPACE INDUSTRIES ASSOCIATION OF AMERICA. INC, ALL RIG}ITS RESERVED
TABLE
I. Dash numbers and dimensions for coarse thread series (Continued)
2 DIAMETER NOMINAL LENGTH
NOMINAL
THREAD
U
DASH
NO.
LENGTH
WEIGI-{T
(REF)
LBS/1Cr0
sizE
a
<
o
.086-56
,099-48
.LL2-40
a
U
t
.r25-40
z
tr
t]
a
Hc
f
g:N
^'N
oo<
aiz
==>_
>cY
a=6
AZ
Y9n
HHE
.138-32
.164-32
.L90-24
.2L6-24
.250-20
.3125-18
.375-L6
co220
.t72
.OLL7
c0320
.198
.224
.2s0
.276
.328
.380
.o174
.0272
.0345
.0525
432
.s00
.62s
.750
co420
c0520
c0620
c0820
c1-20
c2-20
c4-20
,s00-13
c5-20
c6-20
c7-20
cB-20
.5625-t2
c9-20
.43/5-T4
.625-11
.750-10
,875-9
1.000-8
.875
cl020
cL220
cr4z0
L.LZ5-7
c1620
c1820
L.250-7
L.375-6
1.500-6
c2020
c2220
c2420
1.000
L. LZJ
1.250
1.500
1.750
2.000
2.250
2.500
2.750
3,000
TABLE
II
t
N
Ll4
COIL
COIL
3.6875
3.625
3.4375
7.375
7.250
6.7s0
7.750
6.875
4.1875
8.375
.1330
3.5625
.L72
4.tB7s
.308
4.000
.JIU
4.625
7.L25
8.375
8.000
9.250
.862
1.250
1.852
5,000
5,125
10.000
5.500
2.632
3.448
5.263
8.333
5.750
11.000
11.500
.0776
12.500
L7.464
21.653
30.t22
35.258
I.
2.5 DIAN4ETER NOMINAL LENGTH
M
3.375
3.875
5.87s
6,500
6,875
7.000
6.8125
7.6875
7.L875
7.9375
10,2s0
.750
13.000
13.750
14.000
13,625
L5.375
14.375
L5.875
DASH
NO.
LENGTH
(REF)
WEIGHT
LBS/100
coTl
coIL
s.9375
.0224
5.7t;0
5.500
9.62s
9.37s
.2L5
.248
co425
.280
c0525
c0625
c0825
.3L2
.044
.345
,0666
.1008
,L72
,208
.385
.558
0348
cL-25
c2-2s
c4-25
.475
c5-25
c5-25
c7-25
cB-25
c9-25
.7BL
,938
1.094
1.250
1.406
2.273
3"226
c1025
cL225
cL425
Ls62
4.348
1.875
2.188
6.667
10.000
cL625
c182s
c202s
,540
.625
2.500
2.8L2
c222s
3.125
3.438
c2425
3.750
N
lLl4
.015
co225
c0325
.410
M
+I
L.064
7.BVs
L.667
8.000
8.625
9.000
9.1it5
t4.286
22.000
27.236
8.875
10,000
6.1;ls
5.4it75
5.562s
5.687s
6.4375
6.375
7.250
8.875
10,750
9,250
10.625
10.37s
11.875
L2.875
L3.125
L4,L25
L4.750
15.000
16.500
17.500
10.000
10.625
10.750
L7.750
10.687s
37.98t
1
1,8125
1.1875
17.500
19,500
18.375
45.620
L2.L875
20.L2s
1
Dash numbers and dimensions for corarse thread series
Continued
3 DIAMETER NOMINAL LENGTH
u(
<u
OT
UF.
FE
oq
O:E
z?
Ei
5x
6d
az
d<
<I
Z*
<tr
9c
4o
Hz
89
Ffi
zYl
<tr
fU
<u
4E
EH
96
NOMINAL
THREAD
SIZE
,086-56
,099-48
.rLz-40
.Lzs-40
.138-32
.L64-32
.L90-24
.2t6-24
,250-20
.3125-18
.375-L6
.4375-L4
.s00-13
.5625-L2
.625-LL
,750-10
,875-9
;I
g?z
<ts2
*qe
;6 !?
EO>
1.000-8
L.L2s-7
L.250-7
1,375-6
1.500-6
DltsHl
LENGTH
NO.
(REF)
WEIGHT
LBS/100
M
N
1I
l'L/4
aoTl
COIL
c0230
c0330
c0430
c0530
c0530
c0830
c1-30
c2-30
c4-30
c5-30
.258
.0183
8.1875
11,875
.297
.336
.027L
.0423
7.875
l-
.375
.4L4
.492
.570
,0536
,0807
,&B
.750
.938
.L25
.219
.279
.490
LO-JT'
1,125
,806
1.316
c7-30
1,312
1.500
1.688
2.000
2.857
4,000
L.875
2.250
2.625
3.000
3.375
5.263
8.333
12.500
c8-30
c9-30
c1030
c1230
c1430
c1630
c1830
c2030
c223t1
c24al0
3,750
4.L25
4.500
L6.670
26.536
32.819
45,839
54.972
7.500
8,375
7.4375
9.0625
7,8t25
8.937s
8.750
10,000
10.875
11.000
11.625
L2.L25
12,500
13.62s
l.5uu
1.0.875
1.2.250
1.0.750
t.3.250
1.1.375
1.3.12s
1.2.750
1.4.62s
15,750
1.6.125
1.7.L25
17.875
18.37s
20.L25
t4.375
2t.2so
L4.625
L4.4375
16.062s
2L.625
2L.250
23.750
22.250
24.500
15.0525
16.5625
REVISION
N
E
d
e
2
NASM21209
5NEEI J
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNIARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CONFoRMANCE OF ITE|4S PRODUCED UNDER NATION,AL AEROSPACE SIANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECING (1) THE SUiTABIUTY OF
ITEMS FOR ANY PARTICULAR APPUCATION OR (2} THE DGSTENCE OF OR APPLICABILITY THERETO OF PATENT OR TMDEMARKS RIGI.{TS.
NATIONAL AE ROSPACE STAIN DARD
@
TAETLE
NOMINAL
THREAD
SIZE
g
=
o
a
U
E
L
o
zo
o
o
3
U^
q;N
66<
Zz>
u6z
ilE6
He4
a=a
II.
F0310
F0410
F0510
F0810
F1-10
.3r25-24
F5-10
F6-10
F7-LO
H-10
FB.1O
.099
.0051
.0099
1.6875
,LLz
.138
.o20
.164
.0325
1.750
1.9375
.190
.250
.o474
.3t2
.375
.438
.500
.562
.109
.180
.259
.459
.595
.826
1.010
.875-14
1,000-12
F9-10
F1010
F1210
F1410
F1610
1.000
3.B75
r.L2s-L2
F1B1O
L.L25
4.9r7
L.250-12
F2010
1.250
r.375-L2
F22LO
F24TO
L.375
6;254
7.359
4.799
7(n-t a
1.500-12
TABLE
IL
AMERICA. INC. ALL RIGHTS RESERVED
.625
.750
.875
1.500
1,69s
2.564
t,6875
2.0625
2.500
2.750
3.4375
3.3125
3.9375
4,000
4.500
4.875
4.9375
4.8125
5.5625
6,250
6.875
7.625
1,5 DIAMETER NOMINAL LENGTH
N
xIl4
DASH
NO.
F
u{
6H
uF
FE
Z4
5H
5x
ad
az
d<
<OF
z*
<D
9<
Az
=o
ts9
DASH
NO.
.198
.OLT7
.0222
t64-36
FOB2O
,190-32
.250-28
.3L25-24
.375-24
.4375-20
.500-20
.5625-18
.525-18
,7s0-16
FL-20
.224
.276
,328
.380
.500
.625
.750
.397
,553
.917
tr4.-20
F6-20
F7-20
F8-20
F9-20
F1020
FL22O
FTi
zil
<E
FL42O
1.000-12
F1520
<u
1.L25-t2
F1820
iliH
OF
1.250-12
1.375-12
1.500-12
F2020
F2220
F2420
6-
(REF)
WEIGHT
LBS/100
F0420
.875-t4
!.|lE
LENGTH
F0320
F5-20
(REF)
WEIGHT
LBS/100
3.375
3.375
3.500
M
N
II
+Ll4
coTl
COIL
.148
.168
.207
.0084
.0150
2.8L25
5.625
2.8r2s
5.625
.0304
.246
.0502
4.r25
Ft-
.285
.o784
3,000
3.250
3.4375
5.000
3.875
F0315
F0415
F0615
F0815
5.000
5.500
F4-15
F5-15
F6-15
.375
.469
F7'I5
,6'55
F8-15
F9-15
F1015
.7',50
t-rzr)
L,I25
L,3I2
6.875
6.625
7.875
8,000
9.000
9,750
9.875
9.62s
11.125
12.500
13.750
15.250
F1415
F1615
F1815
F2015
F22L5
F24L5
.562
.284
.420
,699
.909
1.87s
2.062
rL.276
2.250
13.6s0
,938
1.500
1.688
6.87s
8.250
8.875
4.r25
L.266
L.562
2.564
4.000
6.063
7.572
9.502
.8i44
6.500
4.4375
5.500
5.3125
5.187s
6.250
7.0625
7.5625
7.750
7.500
8,625
9.5875
10.6875
LL.7s0
11.000
10.625
12.375
12,500
L4.125
15.125
15.500
15.000
L7.250
19.375
21.375
23.500
Dash numbers and dimensions for fine tlhrread series (Continued),
.099-56
.LL2-48
.138-40
F0620
ILEt\IGTH
aoll
2 DIAMETER NOMINAL LENGTH
NOMINAL
THREAD
SIZE
W4
Dash numbers and dimensions for fine thread series,
1 DIAMETER NOMINAL LENGTH
LENGTH
WEIGHT
M
DASH
(REF)
II
LBS/100
NO.
anTl
.099-56
.112-48
.1J8-40
.164-36
.190-32
.250-28
.375-24
.13/5-atJ
,s00-20
.5625-18
,62s-18
OF
COPYRIGHT 2OO9 AEROSPACE
.0408
,0680
,LLz
.212
.875
1.000
L.234
L.T25
1.695
1.250
1.500
1,750
2,083
2.000
2.250
2.500
8.188
2.750
3.000
3,448
5.263
10.227
t2.750
15.194
18,501
DASH
NO.
2:,5 DIAMETER NOMINAL LENGTH
LEIIGTH
WEIGHT
M
(RiEF)
LBS/100
1I
AI
N
+1 14
coll
COIL
4.000
3.9375
F0325
.2:,48
F042s
.2:80
4.5625
4.750
5.6875
8.000
7.875
8.375
9.125
9,500
F0625
F0825
,345
,410
.0192
.0285
.0512
.0857
FL-25
.475
tt.375
F'-25
6.r25
12.250
F5-25
7.500
15.000
F6-25
.9r38
7.3L25
8.4375
8.5525
9.625
10.3125
10.5625
L4.625
1.094
1.250
1.406
19.250
F7-25
F8-25
F9-25
F1025
20.625
FL225
1.875
2.632
4.348
2r.t2s
FI425
20.500
23.375
26.250
28.875
31,62s
F162s
F1825
2.188
2,500
6.667
10,406
2.8L2
t2.882
17.8t25
3.125
3.438
3.750
1s.998
19,111
M
4.r875
10,250
11.5875
13,125
14.4375
1s,B12s
16,875
L7.L25
F2025
F222s
F2425
N
xu4
coIL
COIL
10.375
10,250
10.750
.r40
6.375
6.3125
6.562s
7.0625
7.500
.625
.276
L8125
.7'81
.490
9,500
12,000
14,500
15,625
.709
11.525
1 1,1875
18.500
L.562
1.250
1,563
2.t28
23.352
11,625
19.L25
L2.9375
13.187s
L4.625
15.687s
21.37s
16.0625
26.625
15.750
19.875
26,000
29,500
33.000
22.0625
24.0625
36.s00
39.875
2t.750
24.250
26.000
4ts2
x=v
=?=
eEg
REVISION
:
2
NASM21209
SHEET 4
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE gIANDARD IS ENTIRE:LY VOLUNTARY, AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
CoNFoRMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO IUPRESENTATION OR CLAIM RESPECTING (1) THE SUITABIUTY OF
ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPUCABIUTY THERETO OF PATENT OR TMDEMARKS RIGHTS.
NI\T:IONAI
AE ROSPACE STAN
DARD
O COPYRIGHT 2OO9 AEROSPACE II{DUSTRIES ASSOCI'ITION OF AMERICA" INC. ALL RIGHTS RESERV]ED
TABLE
II.
Dash numbers and dimensions for fine thread series
Conti
3 DIAMETER IOMINAL LENGTH
o
NOMINAL
DASI-l
LENGTH
THREAD
NO.
(REF)
=
WEIGHT
LBS/100
SIZE
d
a
U
E
.099-56
112-48
,138-40
.164-36
L
o
z
tr
F0330
F0430
F0630
F1-30
HE
.3t25-24
E9N
o6<
.375-24
.4375-20
1+6=
.500-20
.5625-18
F5-30
F6-30
F7-30
F8-30
F9-30
F1030
F1230
F1430
F1630
F1830
F2030
F2230
F2430
@
Zz>
*<gE
xY 9,1
z
tr-30
,62s-18
,750-16
87s-14
trEU
1,000-12
L.L25-t2
L.250-L2
t.375-L2
1.500-12
A
MIN
t4.875
1.887
t4Alt
19.000
23.L25
22,500
25.87s
',26.250
',29.375
:31,500
'.32.250
12,815
15,536
2L.250
:31.500
24.0625
:35.750
L9.246
23.028
28.203
26.7s4
29.562s
:19.875
,+4.000
32.3125
48.125
3.375
coarse threacl
D
L
MIN
14.250
L7.625
2.564
3.030
5.263
7.692
3,000
B
12.500
13.250
11.9375
L2.875
15.625
15.1875
17.4375
17.6875
19,750
2I,TBV5
2r.6BV5
r.493
4.L25
4,500
L2.625
.338
.602
3.750
coL
10.125
.862
2.250
2.625
COIL
.t70
III. Inseft dimensions
TABLE
NOMINAL
THREAD
.938
1.125
1,312
1.500
1,688
1.875
N
r,Ll4
8,525
8.5625
9,0625
9.687s
,0346
,0616
.1034
.4L4
.492
.570
.750
FOB3O
.190-32
.250-28
.0234
.297
.336
M
TT
E
F
GAGE
MIN
MAX
MIN
.0112
.01313
.0116
.01353
.0L26
.01s5
,1.10
.0182
.L28
.0i584
.01624
.0L624
.0152
.0189
.0189
.0233
.0233
,0305
.0305
.0378
.0416
.0477
,0545
.0593
.0549
.02L9
.0219
.o273
.1.44
.119
.L37
.159
.1.58
.L73
.178
,193
.205
.220
.259
MAX
MIN
MAX
STTF
t;
u(
<U
oF
ur
FE
.085-56
,099-48
.LLz-40
.t25-4td
138-32
z=
Sx
=i
o6
az
d<
<I
AF
Z*
<tr
FE
xz
=o
EY
PJtr
<tr
=H
<U
qE
OU
fr-u
g=x
<ts2
xq9
;6e
=6F
.0027
.0043
.0068
.0058
,0075
.L64-32
.L90-24
.0076
.2t6-24
.0120
,0164
.250-20
.3125-18
.375-16
.4375-L4
.0I20
.0176
.0215
.0267
.500-13
.0273
.s625-LZ
.62s-11
,0334
,0351
/5U-1U
.0402
.
.875-9
.0466
1,000-8
.0544
L.125-7
.0645
r.2so-7
.0tr5
L.375-6
1.s00-6
.0775
.0775
.0163
,019r3
.00893
.0196
.024L
.022t.6
.0L042
.027r
.Q241
.027r
.0125
.012s
.029s
.o295
.033t8
,01s53
,033t8
.0410
.0410
.050
.056
.0636
.0730
.0758
.0861
.0909
.0449
.0449
.0540
,01563
.02083
.02083
,02500
,0601
.02778
.067'7
.03125
.03571
.03845
.04167
,04545
.05000
.05556
.06250
.L007
.LL24
.L264
1451
,1451
.1695
.1595
.077'0
.0829
.0900
,09E0
.L079
199
1350
1546
.1546
.1
rt99
1799
.07r43
.o7143
.08333
.08333
.01584
.0198s
,01985
.02655
.02656
.03198
.03558
,04009
.04589
.o4946
.05363
,05855
.05445
.07L67
.08069
.09229
.09229
.L0775
.L077s
.02030
.02030
.02706
.02706
.03248
.03608
.04059
.04539
.04996
,05413
.0590s
.06495
.072L7
.08119
.09279
.09279
.10825
.ru8z5
.Q273
.0365
.0365
,0438
.0486
.0547
.0625
.2:44
.270
.310
.380
.452
.526
.0673
.o729
.597
.569
.07L5
.0795
,0795
.0875
.742
.0892
1004
.1160
.1160
.1368
1368
.o972
t.o22
,1094
,1250
.125U
.1458
r. Loo
,
x,45B
.881
I.5I5
r.443
1.598
L.727
28s
.330
.400
.472
.551
.622
.694
.767
.905
1.052
1,196
1.355
1.483
1.643
L.772
i9a
tsdd
REViSION
2
E
NASM21209
SHEET 5
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY, AIA DOES NOT QI,IALIFY SUPPLIERS OR CERTTFY
CoNFoRMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. ArA MAKES NO REPRESENTATION OR CtArM RESPECnNG (1) THE SUTABILTTY OF
ITEi4S FOR ANY PARTICULAR APPLICATION OR (2) THE DGSTENCE OF OR APPUCABiLITY THERETO OF PATENT OR TMDEMARKS RIGIITS.
NATIONAL
G)
.IABLE
NOMINAL
THREAD
SIZE
AE ROSPACE STA,N IDARD
COPYRIG}IT 2OO9 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA{ INC. ALL RIGHTS RESERVED
III.
Continued
K
G
MIN
MAX
MIN
MAX
MIN
S
R
T
r.250
MIN
MIN
P
MAX
COIL
U
=
u
a
r
.086-56
.099-48
E
Lr2-40
o
z
.L25-40
138-32
g
66<
Z=>-
.164-32
L90-24
.2L6-24
.250-20
.3125-18
.375-16
FEH
.4375-t4
I
@
@
@
h9hi
l't6=
22
ff==
v9r
.067
.08s
750
.070
.070
.090
105
.108
.135
75"
150.
150.
.103
.128
111
L37
?qo
1000
.L44
25
25
158
.Lt6
.159
L73
.193
L52
200
100"
100"
100"
183
.189
,238
200
90"
,205
.244
.220
.259
20
900
.270
,285
20"
800
.227
.271
.318
.29L
.354
200
80.
.310
.380
20
800
.330
,400
.472
.4L6
200
.349
.463
20"
.078
.091
,LL7
138
.154
.r87
3
1
3
I
3
L.75
L.62
L.75
I
5
t.75
I
J
L.75
5
1
4
5
1
3
6
1
3
2.50
2.75
2.75
,551
b
1
4
.622
.676
5
b
t
4
4
.747
.885
6
1
5
b
t
5
6
o
I
1
t)
6
o
1
6
6
6
6
.401
.52r
200
.625-11
.750-10
,875-9
1,000-B
.428
.453
20"
800
60.
L20.
,500
.572
.63s
.734
600
L20
qq1
1,026
.526
.781
500
1200
1.135
L.I7O
L.125-7
1.250-7
1.375-5
1.500-6
.557
,843
.937
1.093
1.187
60.
120.
1,3ls
600
120"
60.
120.
120.
1.260
1,356
1.545
L,4L6
1,598
L.676
1.727
.s00-13
.5625-12
,679
.689
,811
600
NOMINAL
THREAD
qTTF
.597
,656
.727
.840
1.s0
1,s0
3
I
80.
80.
80.
TABLE
u(
.452
.526
4
4
4
4
4
4
4
4
7
7
III. Insert dimensions
1
I
I
1
r.75
r.75
L.75
2.2s
2.25
3,33
3.33
3.33
3.33
3.33
3.33
.0032
.0038
.0045
.0045
.0056
.0056
.0075
.0075
.0090
.0100
.0113
.0056
,0065
.0078
.0078
,0098
.0098
.0129
.0223
.0240
.0139
,0150
,0164
.0180
.0200
.0226
.0258
.02s8
.0301
.0301
,0130
,0130
,0156
.0174
.0195
.0250
.0284
,0312
.0347
,0391
.0446
.0446
,0521
.0521
coarse thread
z
X
+.001
-.000
+,001
- non
,045
,045
.061
,064
,020
,020
.020
.025
,028
+.000
-.001
fiH
rF
EE
>?
EX
*x
6[;
6Z
d<
<I
OF
zd
<tr
P<
=o
xz
83
!!tr
Z
<tr!'l
<u
oE
r6
AH
+<
^-
c?z
<tz
xq9
;5cl
HO>
,086-56
,099-48
.rr2-40
,125-40
.138-32
.t64-32
.t90-24
.2L6-24
.250-20
,3125-18
101
.r27
.t+2
.034
168
,193
,250
LLz
,039
,056
.35s
.500-13
.125
.076
.41
.5625-12
.62s-11
.750-10
.875-9
1,000-8
.t4z
.086
.468
.156
.186
.186
,250
L4
.52r
.Lt7
.bz5
.750
.844
"375-16
.4375-L4
.073
.082
,093
156
155
.302
r.Lz5-7
r.250-7
1.375-6
1.500-6
REVISION
N
2
E
NASI"|21209
tr
SHEET 6
usE oF oR RELiAN(:E UPoN THiS DOCUMENT 0R ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. ArA DOES NOT QUAUFY SUPPUERS OR CERTIFY
coNFoRr'lANcE oF ITEMS PRODUCED UNDER NATiONAL AEROSPACE STANDARDS. ArA MAKES N0 REPFTESENTATION OR CLAIM RESPECTING (1) THE SUITABIUTY OF
ITEMS FOR ANY PAI{TICULAR APPUCI\TION OR (2) THE EXJSTENCE OF OR APPIJCABIUTY THERETO OF PATENT OR TMDEMARKS RIGHTS.
*k*
@ COPYRIGHT 2OO9 AEROSPACE
NOMINAL
THREAD
SIZE
A
'TANDARD
AMERICA, IHC, ALL RIIGHTS RESERVI|D
GAGE
E
MIN
OF
IV. Insert dimensions fine thread
TABLE
I
ffi
NA\rrroNAL AERosPAcE
tEkasr{cf
lttfiv$rxtEs
ist{rdrrfluf
MIN
MIN
MAX
MIN
MAX
MIN
MAX
MAX
=
a
4
.099-56
.0027
Lr2-44
.0043
,0163
.0195
,138-40
,0068
.0059
.024I
.o26t
.0076
.0295
.0085
.0120
.0120
,0164
.0164
.0347
.0410
.0410
.0500
.0500
.0560
.0560
.0636
E
6
z
qgN
.164-36
.190-32
,250-28
.3L2s-24
.375-24
.4375-20
66<
,500-20
==>Fi
.s52s-18
.625-18
.750-16
tr
s
6<
xgE
9p4
tr5t
.875-t4
1.000-12
L.L25-I2
L.250-t2
L.375-L2
1.500-12
.or76
.0L76
0215
.0267
.0334
.0334
,0334
.0334
.0334
F
u(
6=-
ur
F:
,099-56
.LL2-48
,138-40
,164-36
"
2=
EY
Sx
6d
az
d<
<I
OF
Zt
<tr
P<
190-32
.250-28
.3L25-24
.375-24
.4375-20
.500-20
.s62s-18
,62s-18
.750-L6
,00893
.0L042
.o27L
,0301
,0338
.0387
,01250
.01389
,01563
.01786
,02083
,02083
.02500
.02500
.0449
.0449
.0540
.0540
.0600
.0600
.0677
0730
.0770
.0861
.0861
,0861
.0861
.0851
,0900
.0900
,0900
.0900
.0900
TABLE
NOMINAL
THREAD
SIZE
.0193
.0226
IV.
G
MIN
.02320
.02706
.o2706
.03248
.03248
,02778
,02778
.03558
,0312s
.03571
,04167
,04L67
.04009
.04589
.05363
.05363
.05363
,05363
,05363
.03608
.03608
,04059
.04639
,05413
,04t67
,,o4L67
,04L67
MAX
MIN
MAX
MIN
.0378
.0378
.0416
,0416
.0477
.0545
,0649
,0649
.0549
.0649
.0649
.131
.L47
.01.56
.0182
.0219
.0243
.0273
.L73
.204
.236
.0313
.0365
.306
.380
.036s
.448
.524
.t46
.L62
.193
.224
.256
.326
.0438
.0438
.592
.400
.468
.549
.6L7
0486
.656
"691
,0486
.0547
.0625
.733
.876
.758
r.02t
t.575
1,051
1.199
1.334
1.469
1,610
t.7LO
t.t45
.o729
.0729
.o729
.o729
.0729
1,169
1.304
1.439
,901
Continued)
I
S
R
T
rLl4
MTN
MIN
P
MAX
COIL
75
150'
.131
.L46
4
75"
1500
.L4t
.t62
4
100"
.t73
4
100.
90"
.204
.236
.193
.224
.244
25"
20"
15.
15.
7t;
.209
.240
.29t
150
715.
,306
,380
.353
150
.287
,318
.354
,386
.4L6
150
7t;"
7ti"
.479
15"
7ti.
.54r
150
,5BB
15"
.557
.604
.072
.060
.100
,090
.095
.130
.LL7
.131
.L47
1-79
.182
1
4
4
4
I
4
L75
6
4
q
2.33
2.33
2.33
.448
.524
.592
.4bu
.549
6
2
2
6
z
8
.6L7
2
10
7ti"
7t;"
.666
.691
.758
z
z
10
.733
6
6
6
15"
7tt"
7
2
12
150
f !)"
.901
1.051
1.199
1.334
L.374
1.504
L2
8
2
2
2
L4
B
z
t4
10
2
L.629
11
2
L4
L4
7.5
7.5
150
7tt
L.t25-t2
70.
,-344
.689
,811
1,001
1,123
10"
10.
10.
10.
700
L.250-t2
.557
.679
.819
<U
700
1.469
1.594
.94L
.256
.326
.400
I
4.0
5.25
5.25
4,0
5.25
5.25
5.25
6.25
6.25
7.5
7.5
7E
./24
1.500-12
,0253
.0305
.0305
.05413
.05413
.05413
K
.526
L.375-L2
.0233
.0s413
H
1.000-12
lrl
,03s58
,0126
.0152
.0189
.0203
Inselrt dimensions fine thread
.875-t4
96
.0L624
.02270
,02656
.026s6
.03198
,03198
=o
xz
8v
PJtr
tr
.01s84
.0L764
.01985
.876
1,021
1.169
1.304
OE
.0116
.01353
,01804
.02030
.464
.495
5!i
<E
,OLL2
.01313
70"
o
I
B
9
10
10
t4
.0032
.0038
.0045
.0050
.0055
.0064
.0075
,0075
,0090
.0090
.0100
.0100
.0113
.0129
.0150
.0150
.0150
.0150
,0150
.0056
,0065
.0078
,0087
.0098
.0112
.0130
.0130
.0155
,0156
.0L74
.oI74
,0195
.0223
.0260
.0260
.0260
.0260
.0260
s?x
{86
;d!!
so>
REVISION
o
d
=
2
NAS]"|212O9
SHEET 7
USEOFORREUANCEUPONTHISDOCUMENTORANYNATIONALAEROSPACESTANDARDISENTIRELYVOLUNTARY.
AIADOESNOTQT'ALIFYSUPPLIERSORCERTIFY
CONFORMANCE OF ITEMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABIUTY OF
ITEMS FOR ANY PARTICULAR APPUCATION OR (2) THE OCSTENCE OF OR APPLICABILIry THERETO OF PATENT OR TRADEMARKS RIGi{TS.
ek-*
a88$$far$;fir{i#s('t1##
NATT.NAL AERospACE srrrNDARD
@
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TABLE
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IV. Insert dimensions
fine thread
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NOMINAL LENGTH: NOMINAL LENGTH EQUALS MINIMUM THROUGH HOLE LENGI.H WITHOUT COUNTERSINKAND WITH INSERT
LOCATED V+TQ Vz THREAD PITCH BELOW TOP SURFACE,
FREE
THE NUMEER OF FREE COILS OF THE INSERT ARE COUNT.ED 90. FROM TANG FOR ALL SIZES,
STEEL,CORROSIONRESISTANT. SEEPROCUREMENTSPECIFICATION,
INSERT, WHEN ASSEMBLED IN BASIC TAPPED HOLE AS I;PECIFIED ON STANDARD NASM33537, SHALL PRODUCE
A FINISHED THREAD MEETING THE REQUIREMENTS OF FED.STD-H2B AND SHALL AccEPT EXTERNAL THREADED
PARTS WHICH ARE THREADED TO M1L.5.7742 OR AS8879,
SURFACE ROUGHFIESS: ASME 846,1,
DIMENSIONS IN INCHES/ APPLY BEFORE PLATING. UNLESS OTHERWISE SPECIFIED, TOLEMNCES: LINEAR DIMENSIONS 1,010,
ANGULAR DIMENSIONS +5".
COLOR IDENTIFIC:ATION: (a) BARE INSERTS - DYED RED
(b) DRY FILM LUBRICATED - DARKGREY
(c) CADMIUM PLATED - OUVE DRAB
LUBRICANT: DRY FILM LUBRICANT SHALL BE IN AccoRDANcE WITH As5272,
PLATING: CADMIIJM PLATING SHALL BE IN ACCORDANCE WITH AMS-QQ-P-41,5,'TYPE II, EXCEPT THE THICKNESS SHALL BE A
MINIMUM oF o,ooo1.
ADD THE LETTER "L" AFTER THE PART NUMBER TO DESIGNATE A DRY FILM LTJBRICANT COATED INSERT.
ADD THE LETTER'P" AFTER THE PART NUMBER TO DESIGNATE A CADMIUM PI.A]'ED INSERT,
THE MS PART NUMBER CONSISTS OF THE BASIC MS NUMBER PLUS THE DASH NUMBER.
COILS:
MATERIAL:
@ THREAD:
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NOTE:
(1)
NUMBER:
MS21209C0415 = A SCREW LOCKING HELICAL COIL INSERT (MS21209), COARSE THREAD (C), .11240 THREAD SrZE (04), 1.5 DrA NOMTNAL LENGTH (15).
MS21209F4-201 = A SCREW LoCKING HEUCAL COIL INSERT (MS21209), FINE THREAD (F), .250-28
THREAD SIZE (4),2.0 DIA NOMINAL LENG-rH (-20), wrTH A DRy FILM LUBRICANT (L).
MS21209F1225P = A SCREW LOCKING HELICAI" COIL INSERT (MS21209), FINE THREAD (F), .750-16
THREAD SIZE (L2),2.s DtA NOMTNAL LENGThI (25), WITH CADMTUM P|_ATTNG (p).
UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE
DMWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL 1STOCK IS
DEPLETED.
APPLICABLE
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REVISION
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SHEET 8
USE OF OR RETIAN(:E UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIREI-Y VOLUNTARY. AIA DOES NOT
QUAUFY SUPPUERS OR CERTIFY
coNFoRMANcE oF ITEMS PRoDUCED UNDER NATIoNAL AERospAcE STANDARDS. AIA MAKES No REPRESENTAIoN oR cwM nesrEcnruc
1r; rnE surrABlury oF
ITEMS FOR ANY PAFITICULAR APPUCATION OR (2) THE EXISTENCE OF OR APPUCABIUTYTHERFTO OF PATENT OR TMDEMARKS RIGHTS.