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

Part Type

 N/A Stud Assembly

Series

 N/A 26S99

Head Style

 N/A Knurled

Stud Material

 N/A 4037 Steel per AMS 6300, ASTM A331, ASTM A752 or 8740 Alloy Steel per AMS-S-6049 or AMS 6322

Cup Material

 N/A Carbon Steel per ASTM A109

Spring & Cross Pin Material

 N/A Music Wire per ASTM A228

Finish

 N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 (Clear Chromate)

Tee Knob Color

 N/A Black

Dash Number

 N/A 13.000

L

 N/A 0.871-0.886 in

S

 N/A 1.050 in

Notes

Notes

 N/A Unless otherwise specified
2. Cross pin must withstand a pushout force of 100 lbs and retain symmetry about centerline of stud within ±0.02.
For 16 and longer use:
L MIN = 0.481 + (0.030 x Dash Number)
L MAX = L MIN + 0.015
S = 0.66 + (0.030 x Dash Number)