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Unit of Measure

Series

 N/A SFTJ

Material

 N/A 1117 Steel

Material Specification

 N/A ASTM A108

Heat Treat

 N/A None

Finish

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

Military Part Number

 N/A MS51551D109B15

Lockring Part Number

 N/A RLRR47SA10

Lockring Military Part Number

 N/A MS51990-109P

Nut End Type

 N/A Drilled

A Nut End Thread Size

 N/A 0.5000-20 UNJF-3A

B Stud End Thread Size

 N/A 0.5625-12

B Stud End Thread-Pitch Diameter

 N/A 0.5097-0.5122 in

B Stud End Thread-Minor Diameter

 N/A 0.4503-0.4641 in

C Max

 N/A 0.120 in

D ±.015

 N/A 1.060 in

E ±.015

 N/A 1.310 in

L ±.015

 N/A 0.938 in

L1_CAD

 N/A 0.938 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.