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Unit of Measure

Specifications

Part Type

N/A Stud Assembly

Series

N/A 26S82

Head Style

N/A Tri-Wing Recess per NAS 4000

Stud Material

N/A Steel Alloy per ASTM A331 or A752 Type 4037

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

Dash Number

N/A 1.000

L

N/A 0.511-0.526 in

S

N/A 0.760 in

Notes

Notes

N/A Unless otherwise specified
2. Cross pin must withstand a pushout force of 100 lbs for suffix AA & 50 lbs for suffix BB 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 = 0.73 + (0.030 x Dash Number)