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MS9575-08

Military Standard Machine Bolt

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Description

Fastener Length: 5/8", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 17/32

Specifications

Extended Washer Diameter 0.438
Extended Washer Thickness 0.060
Fastener Length 0.625
Head Height 0.300
Head Style Double hexagon w/hole
Hole Configuration Style Double hexagon longitudinal hole
Hole Diameter 0.070
Hole Quantity 4
Hole Type Drilled
Length 5/8
Material Iron
Material Specification Ams 5731 assn standard single material response
Precious Material Silver
Surface Treatment Silver
Surface Treatment Specification Ams 2411 assn standard single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.526 inches and 0.546 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/4
Width Between Flats 0.312

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS9575-08. Try the cross-reference lookup to search by a different part number.

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