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Unit of Measure

Series

SF(T)5902

Material

8740 Alloy Steel per AMS6322

Heat Treat

35 HRC ( 160 KSI min)

Finish

Cadmium Plate per AMS- QQ-P-416, Type II, Class 3

Military Part Number

MS51992C508-48

Lockring - Low Strength Magnesium

RL1997-108

Lockring - Aluminum

RLRR1997-108

Lockring Part Number

RLRR1997E108

Lockring Military Part Number

MS51997E108P

Nut End Type

Drilled

A Nut End Thread Size

0.6250-18 UNJF-3A

Stud End type

Recess

B Stud End Thread Size

0.8750-14

B Stud End Thread-Pitch Diameter

0.8328-0.8308 in

B Stud End Thread-Minor Diameter

0.7916-0.7786 in

C ±.020

1.153 in

D - Dia

0.624-0.620 in

E - Dia +.005 -.004

0.687 in

F - Dia +.007 -.002

0.721 in

G - Dia +.000 -.015

0.778 in

H - Dia Min

0.645 in

J

30.000

K +2 -1

111.000 º

M

0.773 in

N -Dia

0.470 in

T ±.015

1.000 in

V ±.016

0.255 Inch

P - Dia ±.010

0.532 in

S ±.015

0.220 in

U

0.128 in

L ±.015

3.000 in

Grip Length

2.000 in

Shank Length

0.312 in

Step Drill Part Number

SDC875JC

Drive Wrench Number

R1111W

Lockring Drive Tool Part Number

SF5902-8D