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

Series

 N/A 4002

Head Style

 N/A Tri-Slot Recess

Stud Material

 N/A 4037 Alloy Steel per ASTM A331, ASTM A752 or ASTM A322

Spring Cup Material

 N/A Carbon Steel per ASTM A109, ALT: 1050 per ASTM A684 or ASTM A108, 1212 per ASTM A108 or 12L14 per QQ-S-637

Spring & Cross Pin Material

 N/A Music Wire per ASTM A228

Stud, Wing Finish

 N/A Cadmium Plate per ASM-QQ-P-416, Class 2, Type II

Spring Cup Finish

 N/A Cadmium Plate per ASM-QQ-P-416, Class 2, Type II

Spring & Cross Pin Finish

 N/A Cadmium Plate per ASM-QQ-P-416, Class 2, Type II

L

 N/A 0.503-0.513 in

S

 N/A 0.780 in

C (+.010/-.020)

 N/A 0.292 in

Approx. Weight/100

 N/A 1.160 lb

Notes

N/A

  • Cross pin will withstand a 100 Lbs. Push-out force & retain symmetrical about centerline of stud within ±.02.
  • Part will meet all requirements of NASM5591 and BPS-I-168
  • Unless otherwise specified dimensions are in inches & per ANSI Y14.5M.

    For Dash Number 16 and greater:
    L Min = 0.353 + (Dash Number x 0.030)
    L Max = L Min + 0.010
    S = 0.630 + (Dash Number x 0.030)
    C = 0.257
    Approx Weight (lb/100) for Steel Recessed= 0.914 + (Dash Number x 0.019)
    Approx Weight (lb/100) for Cres Wing= 1.50 + (Dash Number x 0.019)
    Approx Weight (lb/100) for Cres Recessed= 0.945 + (Dash Number x 0.019)