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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

MS51992C504-52

Lockring - Low Strength Magnesium

RL1997-104

Lockring - Aluminum

RLRR1997-104

Lockring Part Number

RLRR1997E104

Lockring Military Part Number

MS51997E104P

Nut End Type

Undrilled

A Nut End Thread Size

0.3125-24 UNJF-3A

Stud End type

Recess

B Stud End Thread Size

0.4375-20

B Stud End Thread-Pitch Diameter

0.4084-0.4067 in

B Stud End Thread-Minor Diameter

0.3795-0.3700 in

C ±.020

0.627 in

D - Dia

0.312-0.309 in

E - Dia +.005 -.004

0.316 in

F - Dia +.007 -.002

0.345 in

G - Dia +.000 -.015

0.370 in

H - Dia Min

0.294 in

J

20.000

K +2 -1

102.000 º

M

0.380 in

N -Dia

0.205 in

T ±.015

0.688 in

V ±.016

0.176 Inch

P - Dia ±.010

0.242 in

L ±.015

3.250 in

Grip Length

2.562 in

Shank Length

0.156 in

Step Drill Part Number

SDC453JC

Drive Wrench Number

R1106W

Lockring Drive Tool Part Number

SF5902-4D