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Unit of Measure

Series

N/A S( )FJ

Material

N/A 718 CRES

Material Specification

N/A AMS 5662

Heat Treat

N/A 180 KSI UTS min

Finish

N/A Passivate per QQ-P-35

Military Part Number

N/A MS51551D106-14

Lockring Part Number

N/A RLRR28SA8

Lockring Military Part Number

N/A MS51990-106P

Nut End Type

N/A Undrilled

A Nut End Thread Size

N/A 0.3125-24 UNJF-3A

B Stud End Thread Size

N/A 0.3750-16

B Stud End Thread-Pitch Diameter

N/A 0.3358-0.3378 in

B Stud End Thread-Minor Diameter

N/A 0.2906-0.3017 in

C ±.015

N/A 0.750 in

D ±.015

N/A 0.510 in

E ±.015

N/A 0.690 in

L ±.015

N/A 0.875 in

Notes

N/A
  • The stud end thread has a special pitch diameter and minor diameter which installs into a MIL-S-8879 class 3B, FED-STD-H28/2 class 3B, or National class 3 tapped hole.
  • Studs are installed in accordance with MS51995.
  • Mating lockring is not included with stud. It must be ordered separately.
  • <7>2 max incomplete threads.