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MS9575-28

Military Standard Bolt

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Description

Fastener Length: 2-", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 51/64

Specifications

Extended Washer Diameter 0.438
Extended Washer Thickness 0.060 inches minimum
Fastener Length 2.000
Features Provided Finished head
Grip Length 1.190 inches minimum and 1.250 inches maximum
Head Height 0.300
Head Style Double hexagon w/hole
Hole Configuration Style Hexagon longitudinal hole
Hole Diameter 0.070
Hole Quantity 4
Hole Type Drilled
Material Iron
Material Specification Ams 5731 assn std single material response
Precious Material Silver
Precious Material And Location Overall silver
Surface Finish 32.0 microinches bearing surface of head, 32.0 microinches grip
Surface Treatment Silver
Surface Treatment Specification Ams 2411 assn std single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.750 inches minimum and 0.810 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
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

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • MS9566-28 MS 1/4-28 · 0.086 in · Double hexagon w/hole · Iron

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