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Unit of Measure

Part Type

 N/A Stud

Series

 N/A SC

Simplified Material

 N/A CRES

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 MS51989-302-25

Lockring Part Number

 N/A RLRR16SA5

Lockring Military Part Number

 N/A MS51990-102P

Nut End Type

 N/A Undrilled

A Nut End Thread Size

 N/A 0.1380-32 UNF-3A

B Stud End Thread Size

 N/A 0.1640-32

B Stud End Thread-Pitch Diameter

 N/A 0.1446-0.1461 in

B Stud End Thread-Minor Diameter

 N/A 0.1215-0.1280 in

C

 N/A 8

D ±.015

 N/A 0.380 in

E ±.015

 N/A 0.140 in

F ±.015

 N/A 0.250 in

L ±.015

 N/A 1.562 in

L Dash Code No.

 N/A 25.000

Notes

 N/A
  • <4>Dimension "L" will be threaded its full lenght when it is "C" dash length or shorter. For nut end lenngth longer than "C" dash length with dimension "L" threaded its full length use "SFT" prefix (Example: SFT101-9SA10A). For nut end length see part number coding.
  • 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.
  • Stud end thread lengths shown are based on installation in 2024-T4 Aluminum and will accommodate tension loads up to the strength of the nut end. If this design criteria is required in parent materials of lower mechanical properties, longer stud end lengths than shown above in column "F" should be specified.
  • <8>2 max incomplete threads.
  • Mating lockring is not included with stud. It must be ordered separately.