Nasm21209 Aia r423j

NA.TIIONAL AEROSPACE STAN DARD O COPYRIGHT 2OO9 AEROSP.ACE INDUSTRIES ASSOCIATION OF AMERIC& INC. ALL RIGHTS RESERVED

I NO. OF COILS

NOTCH

FROM

u

INSERT TO CTNTER OF GRIP

ia

COIL OR COILS

= u

NO,

E

PtR

TO

FACE

Q

l

OF GRIP

zo E

OF

Bt FI

FED, SUPPLY CLASS

I ON

s32s

TOP

RSI COIL

or wtnr stcTtoN

TO BE SQUARE AXIS WITHIN

WITH

5"

o

TO

BE

[/EASURED

50"

EAN

qER

FROM

TANG

Ood

==>P1tr.1 XEE

OF COIL

9e4 EtsA

BT

<

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

u<

NOTCH

#g

(0PT|0NAL 0N FACE 0R stDE 0F corl)

u-E

o N

;iE

z? 5x =E 6ti

T

INSIRT

E

E

az d< <E AF

TANG SHAPT OPTIONAL ,,X'' SHALL TIT WITHIN sLoT 0F PtN @ "2"

Zil



lr< 4A

CINTRAL TO

xz 8v PJtr

,,7,'

WITHIN .OO2

srzt .138 I0 .4375 tNCt. ,OO5 FOR SIZT .5OO AND

5 <E!'t

Fr

ko z.

FOR

AND OVTR

FIG,2



OE

H9 iliH 96

.Mlry t*ffiLt W

=< ;;qd

s?x FE5

=as =94

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*


35 FT, zil <[
HH

gza

.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

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(
z?

Ei 5x 6d

az d<


9c 4o Hz

89 Ffi zYl


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

*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<
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



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>

*
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(
.085-56 ,099-48 .LLz-40 .t25-4td 138-32

z= Sx =i

o6 az d<

EY PJtr


fr-u

g=x
.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<


P<

=o xz 83 !!tr Z


AH

+<

^-

c?z

,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<

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



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 @

copyRrctfr 2oogAERospAcE rNDUsrRrEsAssocrATrol

TABLE

oFAMERTcA, rNc, aLL RTGHTs RESERvED

IV. Insert dimensions

fine thread

I

;U =

U

= L

o zo tr

6 o q ua

sgN a6< ==>9fo

*F6 9.-4 E=E

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) CIUM PLATED - OUVE DRAB LUBRICANT: DRY FILM LUBRICANT SHALL BE IN AccoRDANcE WITH As5272, PLATING: CIIJM 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 CIUM PI.A]'ED INSERT, THE MS PART NUMBER CONSISTS OF THE BASIC MS NUMBER PLUS THE DASH NUMBER.

COILS: MATERIAL: @ THREAD: @ u<6
z= $x == 66 az d< <:E OF Zd

Ftr P< =o xz iIU o> !Jtr

(^ \9 O\ \Y

EXAMPLE OF PART


trH 96 ;I

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 CTUM 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

A

U)

g?E

xq9 H5H Fdd

REVISION

2 E

d B

NASf,l212O9 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.