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Unit of Measure

Series

N/A 2600

Head Style

N/A Wing

Stud Material

N/A 300 Series CRES per AMS-QQ-S-763, ASTM A276 or ASTM A580

Cup Material

N/A 300 Series CRES per ASTM A240

Spring & Cross Pin Material

N/A Cobalt Alloy

Finish

N/A Passivate per AMS-QQ-P-35

Spring Finish

N/A Black Oxide per MIL-F-495

Dash Number

N/A 4.000

L

N/A 0.601-0.616 in

S

N/A 0.850 in

Notes

N/A 1. Cross pin must withstand 50 lbs, pushout force and remain symmetry about centerline of stud within ±0.002.
2. 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 Dush Number)