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Unit of Measure

Series

 N/A SHF( )

Material Specification

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

Material

 N/A 6AI-4V Titanium

Heat Treat

 N/A 160 KSI UTS min

Finish

 N/A None

Lockring Part Number

 N/A RL28SA6

Nut End Type

 N/A Drilled

A Nut End Thread Size

 N/A 0.3125-24 UNF-3A

B Stud End Thread Size

 N/A 0.3750-16

B Stud End Thread-Pitch Diameter

 N/A 0.2778-0.2795 in

B Stud End Thread-Minor Diameter

 N/A 0.2373-0.2474 in

D ±.015

 N/A 0.560 in

E - Dia +.000 -.005

 N/A 0.433 in

F ±.015

 N/A 0.690 in

G ±.005

 N/A 0.240 in

H ±.005

 N/A 0.147 in

J ±.015

 N/A 0.160 in

K Dia

 N/A 0.076 in

L ±.015

 N/A 1.188 in

M

 N/A 0.3750-16 UNJC-3B

N -Dia +.003 -.000

 N/A 0.437 in

P - Cbore Depth without O-ring

 N/A 0.157 in

Q - Cbore Depth with O-ring

 N/A 0.205 in

Tap Drill Size

 N/A 0.312 in

O-Ring Size

 N/A AS568-011

Counterbore Tool Part Number

 N/A RC28-312

Basic Tap Size

 N/A 0.375-16UNC

Drive Wrench Number

 N/A R1106W

Lockring Drive Tool Part Number

 N/A S111D12

Removal Tool Part Number

 N/A BT1436

Notes

 N/A
  • <1>The stud end thread has a special pitch dia and minor dia which installs into a MIL-S-8879 class 3B. FED-STD-H28/2 Class 3B, or national Class 3 tapped hole.
  • <3>Maximum 2 incomplete threads
  • Mating Lockring is not included with stud. It must be ordered separtely
  • 4130 Steel and A286 Cres indicate stabdard materials
  • For Titanium with anodic treatment per AMS 2488, Type 2, add suffix EO301 to stud part number.
  • Taps are not supplied by Howmet
  • "B" diameter and Minor diameter of thread to be concentric within .003 film
  • Thread as shown per AS8879 is prefered. Alternate thread per FED-STD-h28/2 Class-3B or national Class 3 is applicable when specified by design activity.
  • Without O-ring: Use to effect fluid seal for pressures up to 150 psi. Install part until top serrated flange is .010 to .020 below surface.
  • Without O-ring: Use for dust and foreign matter exclusion. Install part until flange is seated in counterbore. Don't use excessive wrench torque.
  • O-ring must be specified separately and shall be selected based on system fluid and temperature and are not supplied by Howmet. O-ring sizes per AS 568. With proper installation and proper choice of O-ring, fluid seal up to 150 psi will be effected.
  • Drive lockring from .005 to .010 below material surface.