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Unit of Measure

Series

S( )FJ

Material

4130 Steel

Material Specification

MIL-S-6758

Heat Treat

125 KSI UTS min

Finish

Cadmium plate per QQ-P-416, Type II, Class 3

Military Part Number

MS51551D103A19

Lockring Part Number

RLRR18SA6

Lockring Military Part Number

MS51990-103P

Nut End Type

Undrilled

A Nut End Thread Size

0.1640-36 UNJF-3A

B Stud End Thread Size

0.1900-24

B Stud End Thread-Pitch Diameter

0.1639-0.1654 in

B Stud End Thread-Minor Diameter

0.1334-0.1413 in

C ±.015

0.620 in

D ±.015

0.360 in

E ±.015

0.500 in

L ±.015

1.188 in