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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

MS51992C502-12

Lockring - Low Strength Magnesium

RL1997-102

Lockring - Aluminum

RLRR1997-102

Lockring Part Number

RLRR1997E102

Lockring Military Part Number

MS51997E102P

Nut End Type

Drilled

A Nut End Thread Size

0.1900-32 UNJF-3A

Stud End type

No Recess

B Stud End Thread Size

0.3125-24

B Stud End Thread-Pitch Diameter

0.2884-0.2869 in

B Stud End Thread-Minor Diameter

0.2643-0.2559 in

C ±.020

0.386 in

D - Dia

0.189-0.186 in

E - Dia +.005 -.004

0.203 in

F - Dia +.007 -.002

0.230 in

G - Dia +.000 -.015

0.255 in

H - Dia Min

0.175 in

J

13.000

K +2 -1

102.000 º

T ±.015

0.469 in

V ±.016

0.128 Inch

P - Dia ±.010

0.137 in

S ±.015

0.120 in

U

0.067 in

L ±.015

0.750 in

Grip Length

0.281 in

Shank Length

0.095 in

Step Drill Part Number

SDC328JC

Drive Wrench Number

R1104W

Lockring Drive Tool Part Number

SF5902-2D