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Unit of Measure

Series

N/A SFA( )

Material

N/A 6AI-4V Titanium

Material Specification

N/A MIL-T-9047, COND A AMS 4967

Heat Treat

N/A 130 KSI UTS min

Finish

N/A None

AND Standard

N/A 20006,20007

Lockring Part Number

N/A RLRR33SA9

Lockring Military Part Number

N/A MS51990-107P

Nut End Type

N/A Drilled

A Nut End Thread Size

N/A 0.3750-24 UNF-3A

B Stud End Thread Size

N/A 0.4375-14

B Stud End Thread-Pitch Diameter

N/A 0.3926-0.3946 in

B Stud End Thread-Minor Diameter

N/A 0.3411-0.3534 in

C

N/A 1.125-1.155 in

D min full THD

N/A 0.812 in

E ±.015

N/A 0.520 in

F ±.015

N/A 0.750 in

G ±.015

N/A 0.170 in

H - Diameter

N/A 0.106 in

L ±.015

N/A 1.125 in

TYPE_SET

N/A 2

Notes

N/A
  • <4>Nut end lengths "C" are designed to meet AND standards after stud serrated collar is installed .010-.020 below the surface of the parent material.
  • 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.
  • SFA and SFB studs are only furnished to dimensions shown. Coding of modifications is not permissible.
  • <8>2 max incomplete threads.
  • Mating lockring is not included with stud. It must be ordered separately.