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MS9521-04

Military Standard Bolt

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Description

Fastener Length: 5/8", Thread: 3/8-24, Thread Length: 39/64"

Specifications

Fastener Length 0.625
Features Provided Finished head
Head Height 0.209 inches minimum and 0.229 inches maximum
Head Style Hexagon Head
Length 5/8
Material Steel
Surface Treatment Cadmium
Thread Class 3a
Thread Diameter 0.375
Thread Direction Right-hand
Thread Length 0.570 inches minimum and 0.610 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 3/8
Width Between Flats 0.553 inches minimum and 0.564 inches maximum

Cross-reference

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Catalog data updated 2026-07-05. Report a data error