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Unit of Measure

Series

SFTJ

Material

4340 Steel

Material Specification

MIL-S-5000

Heat Treat

160-180 KSI UTS

Finish

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

Military Part Number

MS51551D206-11

Lockring Part Number

RLRR28SA8

Lockring Military Part Number

MS51990-106P

Nut End Type

Undrilled

A Nut End Thread Size

0.3125-24 UNJF-3A

B Stud End Thread Size

0.3750-24

B Stud End Thread-Pitch Diameter

0.3497-0.3512 in

B Stud End Thread-Minor Diameter

0.3185-0.3271 in

C Max

0.103 in

D ±.015

0.550 in

E ±.015

0.690 in

L ±.015

0.688 in