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Unit of Measure

Series

SFCH

Material Specification

AMS 5731 or AMS 5734

Stud Material

A286 CRES

Stud Heat Treat

130 KSI UTS min

Lockring Drive Tool Part Number

SFC16DH16

A Nut End Thread Size MIL-S-8879

0.1640-36 UNJF-3A

B Nut End Thread Size MIL-S-8879

0.1640-32 UNJC 3A

M Thread Size MIL-S-8879

0.1640-36 UNJF 3B

C ±.020

0.430 in

D Min

0.246 in

F - Dia

0.147 in

H - Min

0.098 in

J - Dia Ref

0.252 in

N -Dia +.003 -.000

0.228 in

T Number of Teef

8

P +.020 -.000

0.087 in

Q Min

0.444 in

R Min

0.520 in

S - Dia +.010 -.000

0.265 in

L ±.015

1.312 in

E Min. Full Thread Length

0.455 in

Lockring Material

Inconel 718

Lockring Heat Treart

230 KSI UTS Min

Lockring Material Specification

AMS 5662