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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

MS51992C503-36

Lockring - Low Strength Magnesium

RL1997-103

Lockring - Aluminum

RLRR1997-103

Lockring Part Number

RLRR1997E103

Lockring Military Part Number

MS51997E103P

Nut End Type

Drilled

A Nut End Thread Size

0.2500-28 UNJF-3A

Stud End type

No Recess

B Stud End Thread Size

0.3750-24

B Stud End Thread-Pitch Diameter

0.3512-0.3497 in

B Stud End Thread-Minor Diameter

0.3271-0.3185 in

C ±.020

0.486 in

D - Dia

0.249-0.246 in

E - Dia +.005 -.004

0.255 in

F - Dia +.007 -.002

0.284 in

G - Dia +.000 -.015

0.318 in

H - Dia Min

0.233 in

J

17.000

K +2 -1

86.000 º

T ±.015

0.594 in

V ±.016

0.142 Inch

P - Dia ±.010

0.190 in

S ±.015

0.160 in

U

0.067 in

L ±.015

2.250 in

Grip Length

1.656 in

Shank Length

0.125 in

Step Drill Part Number

SDC390JC

Drive Wrench Number

R1105W

Lockring Drive Tool Part Number

SF5902-3D