Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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Unit of Measure

Specifications

Series

 N/A SFJ

Material

 N/A 303 Se CRES

Material Specification

 N/A ASTM A582

Heat Treat

 N/A None

Finish

 N/A Passivate per QQ-P-35

Military Part Number

 N/A MS51551D103B5

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 0.1900-24

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 Max

 N/A 0.076 in

D ±.015

 N/A 0.480 in

E ±.015

 N/A 0.620 in

L ±.015

 N/A 0.312 in

Notes

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.