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Unit of Measure

Series

SFR5902( )( )(D)L(R)

Material Specification

MIL-S-6049

Material

8740 Alloy Steel per MIL-S-6049

Heat Treat

160 - 180 KSI UTS

Finish

Cadmium plate per QQ-P-416, Type II, Class 3

Nut End Type

Drilled

A Nut End Thread Size

0.6250-18 UNJF-3A

Stud End type

Recess

B Stud End Thread Size

1.0000-12 UNJF-3B

B Stud End Thread-Pitch Diameter

0.9503-0.9478 in

B Stud End Thread-Minor Diameter

0.9022-0.8878 in

C ±.010

1.364 in

D - Dia

0.624-0.620 in

E - Dia +.005 -.004

0.783 in

F - Dia +.007 -.002

0.820 in

G - Dia +.000 -.015

0.887 in

H - Dia Min

0.741 in

J

30.000

K +2 -1

111.000 º

M ref

0.939 in

N -Dia

0.476 in

T ±.015

1.000 in

V

0.255 Inch

P - Dia ±.010

0.532 in

S ±.015

0.220 in

U - Dia +.005 -.002

0.128 in

L ±.015

1.750 in

Lockring - Carbon Steel

RLRR1997-109

Lockring - A-286 Cres

RLRR1997E109

Grip Length

0.750 in

Shank Length

0.312 in