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 26S98

Head Style

 N/A Tee Knob

Stud Material

 N/A Steel Alloy per AMS 311, ASTM A752

Cup Material

 N/A Carbon Steel per ASTM A109

Spring & Cross Pin Material

 N/A Music Wire per ASTM A228

Tee Knob Material

 N/A Plastic (Acetal Homopolymer or Equivalent)

Stud & Cup Finish

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

Spring & Cross Pin Finish

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

Tee Knob Color

 N/A Black

Dash Number

 N/A 1.000

L

 N/A 0.511-0.526 in

S

 N/A 0.690 in

Weight/100

 N/A 1.340 lb

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 11 and longer use:
L MIN = 0.481 + (0.030 x 1st Dash Number)
L MAX = L MIN + 0.010
S = 0.66 + (0.030 x 1st Dash Number)