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MS45904-68

Military Standard Lock Washer

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Description

Hole Diameter: 17/64", MS45904 series washer

Specifications

Hardness Rating 40.0 rockwell c minimum and 50.0 rockwell c maximum
Hole Diameter 0.256 inches minimum and 0.267 inches maximum
Material Steel
Material Specification 66 fed std all material responses
Material Thickness 0.032 inches minimum and 0.040 inches maximum
Nondefinitive Specification/Std Data 3 type and 1 style or 2 style and 1 composition
Outside Diameter 0.725 inches minimum and 0.760 inches maximum
Style Designator Flat external and internal teeth
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416,ty 2,cl 3 fed spec single treatment response

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 MS45904-68. Try the cross-reference lookup to search by a different part number.

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