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Unit of Measure

Series

4002

Head Style

Tri-Slot Recess

Stud Material

4037 Alloy Steel per ASTM A331, ASTM A752 or ASTM A322

Spring Cup Material

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

Music Wire per ASTM A228

Stud, Wing Finish

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

Spring Cup Finish

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

Spring & Cross Pin Finish

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

L

0.383-0.393 in

S

0.660 in

C (+.010/-.020)

0.220 in

Approx. Weight/100

0.920 lb