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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

MS51992C505-26

Lockring - Low Strength Magnesium

RL1997-105

Lockring - Aluminum

RLRR1997-105

Lockring Part Number

RLRR1997E105

Lockring Military Part Number

MS51997E105P

Nut End Type

Drilled

A Nut End Thread Size

0.3750-24 UNJF-3A

Stud End type

No Recess

B Stud End Thread Size

0.5000-24

B Stud End Thread-Pitch Diameter

0.4711-0.4694 in

B Stud End Thread-Minor Diameter

0.4422-0.4325 in

C ±.020

0.762 in

D - Dia

0.374-0.371 in

E - Dia +.005 -.004

0.380 in

F - Dia +.007 -.002

0.407 in

G - Dia +.000 -.015

0.432 in

H - Dia Min

0.357 in

J

24.000

K +2 -1

102.000 º

T ±.015

0.750 in

V ±.016

0.200 Inch

P - Dia ±.010

0.305 in

S ±.015

0.170 in

U

0.096 in

L ±.015

1.625 in

Grip Length

0.875 in

Shank Length

0.187 in

Step Drill Part Number

SDC515JC

Drive Wrench Number

R1107XW

Lockring Drive Tool Part Number

SF5902-5D