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NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2009 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
FED. SUPPLY CLASS
5325
THE INITIAL RELEASE OF THIS DOCUMENT SUPERSEDES MS21209, REVISION E. PART NUMBERS REMAIN MS21209.
THIRD
ANGLE
PROJECTION
PROCUREMENT
SPECIFICATION
NASM8846
CUSTODIAN
NATIONAL AEROSPACE STANDARDS COMMITTEE
TITLE
INSERT, SCREW THREAD, COARSE AND FINE,
SCREW LOCKING, HELICAL COIL, CRES
REVISION
2
CLASSIFICATION
PART STANDARD
NASM21209
SHEET 1 OF 8
USE OF OR RELIANCE UPON--`T,`H,`I,S`,`D``O```C,,U,,M,,E``N,`T`,`O`,,R-`-A`,N,`Y,,`N,`A,,T`-I-O- NAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
Copyright Aerospace Industries ACsOsoNcFiaOtioRnMoAf NAmCEeriOcaFInITc.EMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
Provided by IHS under license
No reproduction or networking
pweIitrThmEAitMtIeASd/NwFAOitShRouAt NlicYenPsAeRfrTomICIUHLSAR
APPLICATION
OR
(2)
THE
EXISTENCE
OF
OR
APPLICLNAioBcetInfLosIreTReYe=sBTa/HEleE,AR1e1Ero/T2s5Op/a2cO0e0F9InP0cA8L:T0oE4c:N241/T5M9O6S7RT96T1R0A0D4 EMARKS
RIGHTS.
NATIONAL AEROSPACE STANDARD
© COPYRIGHT 2009 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. ALL RIGHTS RESERVED
TABLE II. Dash numbers and dimensions for fine thread series
(Continued)
3 DIAMETER NOMINAL LENGTH
NOMINAL
THREAD
SIZE
DASH
NO.
LENGTH
(REF)
WEIGHT
LBS/100
M
±1
COIL
N
±1/4
COIL
.099-56
.112-48
.138-40
.164-36
.190-32
.250-28
.3125-24
.375-24
.4375-20
.500-20
.5625-18
.625-18
.750-16
.875-14
1.000-12
1.125-12
1.250-12
1.375-12
1.500-12
F0330
F0430
F0630
F0830
F1-30
F4-30
F5-30
F6-30
F7-30
F8-30
F9-30
F1030
F1230
F1430
F1630
F1830
F2030
F2230
F2430
.297
.336
.414
.492
.570
.750
.938
1.125
1.312
1.500
1.688
1.875
2.250
2.625
3.000
3.375
3.750
4.125
4.500
.0234
.0346
.0616
.1034
.170
.338
.602
.862
1.493
1.887
2.564
3.030
5.263
7.692
12.815
15.536
19.246
23.028
28.203
8.625
8.5625
9.0625
9.6875
10.125
11.9375
12.875
15.625
15.1875
17.4375
17.6875
19.750
21.1875
21.6875
21.250
24.0625
26.750
29.5625
32.3125
12.625
12.500
13.250
14.250
14.875
17.625
19.000
23.125
22.500
25.875
26.250
29.375
31.500
32.250
31.500
35.750
39.875
44.000
48.125
NOMINAL
THREAD
SIZE
A
MIN
.086-56
.099-48
.112-40
.125-40
.138-32
.164-32
.190-24
.216-24
.250-20
.3125-18
.375-16
.4375-14
.500-13
.5625-12
.625-11
.750-10
.875-9
1.000-8
1.125-7
1.250-7
1.375-6
1.500-6
.0027
.0043
.0068
.0068
.0076
.0076
.0120
.0120
.0164
.0176
.0215
.0267
.0273
.0334
.0351
.0402
.0466
.0544
.0645
.0645
.0775
.0775
TABLE III. Insert dimensions coarse thread
B
MIN MAX
C
GAGE
D
MIN MAX
E
MIN MAX
.0163
.0196
.0241
.0241
.0295
.0295
.0410
.0410
.050
.056
.0636
.0730
.0758
.0861
.0909
.1007
.1124
.1264
.1451
.1451
.1695
.1695
.0193
.0226
.0271
.0271
.0338
.0338
.0449
.0449
.0540
.060
.0677
.0770
.0829
.0900
.0980
.1079
.1199
.1350
.1546
.1546
.1799
.1799
.00893
.01042
.0125
.0125
.01563
.01563
.02083
.02083
.02500
.02778
.03125
.03571
.03846
.04167
.04545
.05000
.05556
.06250
.07143
.07143
.08333
.08333
.0112
.01313
.01584
.01584
.01985
.01985
.02656
.02656
.03198
.03558
.04009
.04589
.04946
.05363
.05855
.06445
.07167
.08069
.09229
.09229
.10775
.10775
.0116
.01353
.01624
.01624
.02030
.02030
.02706
.02706
.03248
.03608
.04059
.04639
.04996
.05413
.05905
.06495
.07217
.08119
.09279
.09279
.10825
.10825
.0126
.0152
.0189
.0189
.0233
.0233
.0305
.0305
.0378
.0416
.0477
.0545
.0593
.0649
.0715
.0795
.0892
.1004
.1160
.1160
.1368
.1368
.0156
.0182
.0219
.0219
.0273
.0273
.0365
.0365
.0438
.0486
.0547
.0625
.0673
.0729
.0795
.0875
.0972
.1094
.1250
.1250
.1458
.1458
F
MIN MAX
.110
.128
.144
.158
.178
.205
.244
.270
.310
.380
.452
.526
.597
.669
.742
.881
1.022
1.166
1.315
1.443
1.598
1.727
.119
.137
.159
.173
.193
.220
.259
.285
.330
.400
.472
.551
.622
.694
.767
.906
1.052
1.196
1.355
1.483
1.643
1.772
REVISION
2
NASM21209
SHEET 5
USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY NATIONAL AEROSPACE STANDARD IS ENTIRELY VOLUNTARY. AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY
Copyright Aerospace Industries ACsOsoNcFiaOtioRnMoAf NAmCEeriOcaFInITc.EMS PRODUCED UNDER NATIONAL AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF
Provided by IHS
No reproduction
under license
or networking
pweIitrThmEAitMtIeASd/NwFAOitShRouAt NlicYenPsAeRfrTomICIUHLSAR
APPLICATION
OR
(2)
THE
EXISTENCE
OF
OR
APPLICLNAioBcetInfLosIreTReYe=sBTa/HEleE,AR1e1Ero/T2s5Op/a2cO0e0F9InP0cA8L:T0oE4c:N241/T5M9O6S7RT96T1R0A0D4 EMARKS
RIGHTS.