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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Inactive for design & procurement. Use 40S80-*D for replacement.
Interchangeable physically.
Unit of Measure

Specifications

Series

 N/A 4002

Head Style

 N/A Tamper Proof

Stud Material

 N/A Alloy Steel per QQ-S-624

Spring Cup Material

 N/A Carbon Steel per QQ-S-777

Spring & Cross Pin Material

 N/A Music Wire per QQ-W-470

Finish

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

L

 N/A 0.683-0.693 in

S

 N/A 0.960 in

Weight/100

 N/A 1.530 lb

Notes

N/A

  • Cross pin will withstand a push-out force of 175 Lbs. for steel parts and 50 Lbs. for cres parts and retain symmetrically about centerline of stud within ±.02.

    For Dash Number 16 and longer use:
    L Min = 0.353 + (Dash Number x 0.030)
    L Max = L Min + 0.010
    S = 0.630 + (Dash Number x 0.030)
    Approx Weight (lb/100) for Steel= 0.907 + (Dash Number x 0.0193)
    Approx Weight (lb/100) for Cres= 0.925 + (Dash Number x 0.0195)