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Unit of Measure

Series

SFA( )

Material

A286 CRES

Material Specification

AMS 5731,AMS 5734

Heat Treat

130 KSI UTS min

Finish

Passivate per QQ-P-35

AND Standard

20009

Lockring Part Number

RLRR28SA8

Lockring Military Part Number

MS51990-106P

Nut End Type

Drilled

A Nut End Thread Size

0.3125-24 UNF-3A

B Stud End Thread Size

0.3750-16

B Stud End Thread-Pitch Diameter

0.3358-0.3378 in

B Stud End Thread-Minor Diameter

0.2906-0.3017 in

C

0.880-0.910 in

D min full THD

0.688 in

E ±.015

0.510 in

F ±.015

0.690 in

G ±.015

0.160 in

H - Diameter

0.076 in

L ±.015

0.875 in

TYPE_SET

2