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Unit of Measure

Series

SFTJ

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

MS51551D203-9

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

0.1900-32

B Stud End Thread-Pitch Diameter

0.1706-0.1721 in

B Stud End Thread-Minor Diameter

0.1475-0.1541 in

C Max

0.076 in

D ±.015

0.250 in

E ±.015

0.380 in

L ±.015

0.562 in