Unit of Measure

Series

N/A SFJ

Material

N/A 1117 Steel

Material Specification

N/A ASTM A108

Heat Treat

N/A None

Finish

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

Military Part Number

N/A MS51551D203-7

Lockring Part Number

N/A RLRR18SA6

Lockring Military Part Number

N/A MS51990-103P

Nut End Type

N/A Drilled

A Nut End Thread Size

N/A 0.1640-36 UNJF-3A

B Stud End Thread Size

N/A 0.1900-32

B Stud End Thread-Pitch Diameter

N/A 0.1706-0.1721 in

B Stud End Thread-Minor Diameter

N/A 0.1475-0.1541 in

C Max

N/A 0.076 in

D ±.015

N/A 0.250 in

E ±.015

N/A 0.380 in

L ±.015

N/A 0.438 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.