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Unit of Measure

Part Type

Stud

Series

SF

Simplified Material

Steel

Material

4130 Steel

Material Specification

MIL-S-6758

Heat Treat

125,000 PSI UTS min

Finish

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

Military Part Number

MS51989-107-26

Lockring Part Number

RLRR33SA9

Lockring Military Part Number

MS51990-107P

Nut End Type

Undrilled

A Nut End Thread Size

0.3750-24 UNF-3A

B Stud End Thread Size

0.4375-14

B Stud End Thread-Pitch Diameter

0.3926-0.3946 in

B Stud End Thread-Minor Diameter

0.3411-0.3534 in

C

11

D ±.015

0.620 in

E ±.015

0.520 in

F ±.015

0.750 in

L ±.015

1.625 in

L Dash Code No.

26.000