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MS21299C12K

Military Standard Flat Washer

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Description

Hole Diameter: 3/4"

Specifications

Hardness Rating 35.0 rockwell c minimum and 42.0 rockwell c maximum
Hole Diameter 0.752 inches minimum and 0.756 inches maximum
Material Steel
Material Specification Ams 5604,17-4ph,cond h 1025 assn std single material response
Material Thickness 0.071 inches minimum and 0.085 inches maximum
Outside Diameter 1.423 inches minimum and 1.433 inches maximum
Recess Angle 90.0 degrees
Recess Diameter 0.903 inches minimum and 0.913 inches maximum
Specification Data 80205-nas-21299 professional/industrial association standard
Style Designator 15 recessed
Surface Finish 125.0 microinches all surfaces
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 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

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