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Unit of Measure

Part Type

N/A Stud Assembly

Series

N/A 27S3

Head Style

N/A #2 Cross Recess

Stud Material

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

Cup Material

N/A 300 Series CRES per ASTM A167

Spring & Cross Pin Material

N/A 300 Series CRES per QQ-S-763, or ASTM A313

Stud & Cup Finish

N/A Passivate per ASTM A967

Spring & Cross Pin Finish

N/A Passivate per ASTM A967

Dash Number

N/A 9.000

L

N/A 0.631-0.646 in

S

N/A 0.850 in

Notes

N/A Unless otherwise specified
1. Cross pin will withstand a pushout force of 50 lbs for cres, or 100 lbs for music wire and retain symmetry about centerline of stud within ±0.02.
2. Plus black dye color on stud and cup. Additional satinblack enamel on all visible surface (when locked). Over spray on stud shank and spring is acceptable. Dimension apply before paint.
For 11 and longer use:
L MIN = 0.361 + (0.030 x Dash Number)
L MAX = L MIN + 0.015
S = 0.58 + (0.030 x Dash Number)