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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This series utilizes a variety of grommets which must be installed into the top panel. They significantly enhance the system’s performance.
Contact us for strengths for stainless steel stud assemblies and for other styles, materials, or finishes.
Unit of Measure

Specifications

Series

 N/A 4002

Stud Material

 N/A 4037 Steel per AMS 6300, ASTM A331, ASTM A322, ASTM A752 or 1008-1010 Steel per ASTM A108

Cup & Spacer Material

 N/A Steel per ASTM A109, ASTM A108, ASTM A682, ASTM A684

Spring & Cross Pin Material

 N/A Music Wire per ASTM A228

Head Style

 N/A Slotted

Finish

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

L

 N/A 6.840-6.850 in

C

 N/A 0.257 in

S

 N/A 7.470 in

Ultimate Tensile Strength

 N/A 1050.000 lb

Working Strength

 N/A 700.000 lb

Stud Grip Increments

 N/A 0.030 in

Minimum Preload

 N/A 50.000 lb

Maximum Service Temperature

 N/A 450.000 ºF

Weight/100

 N/A 6.028 lb

Notes

N/A

  • Cross Pin will withstand a pushout force of 50 lb for CRES or 100lb for Music Wire and retain symmetrical about centerline of stud within ±.020
  • Spacer(s) may be required for functionality purpose
  • Parts will meet all requirements of NASM5591
    For other Dash Numbers not listed use:
    L min = (Dash No. x .030) + .353
    L max = L min + .010
    S = (Dash No. x .03) + .63
    Approximate weight = lb/100
    Steel Slotted = .9172 + (Dash No. x .0193)
    Steel Wing = 1.562 + (Dash No. x .0193)
    Steel Knurled = 2.651 + (Dash No. x .0193)
    Cres Slotted = .930 + (Dash No. x .0195)
    Cres Wing = 1.582 + (Dash No. x .0195)