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Unit of Measure

Series

 N/A S( )FJ

Material

 N/A A286 CRES

Material Specification

 N/A AMS 5731,AMS 5734

Heat Treat

 N/A 130 KSI UTS min

Finish

 N/A Passivate per QQ-P-35

Military Part Number

 N/A MS51551D103-21

Lockring Part Number

 N/A RLRR18SA6

Lockring Military Part Number

 N/A MS51990-103P

Nut End Type

 N/A Undrilled

A Nut End Thread Size

 N/A 0.1640-36 UNJF-3A

B Stud End Thread Size

 N/A 0.1900-24

B Stud End Thread-Pitch Diameter

 N/A 0.1639-0.1654 in

B Stud End Thread-Minor Diameter

 N/A 0.1334-0.1413 in

C ±.015

 N/A 0.620 in

D ±.015

 N/A 0.230 in

E ±.015

 N/A 0.380 in

L ±.015

 N/A 1.312 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.