Spec hardware, served at warp speed.

washers › recessed washers

MS21299C5K

Military Standard Recessed Washer

View quote list → Saved parts →

Description

Hole Diameter: 3/8", MS21299 series washer

Specifications

Hardness Rating Between 35 rockwell c and 42 rockwell c
Hole Diameter Between 0.314 inches and 0.318 inches
Material CRES
Material Thickness Between 0.057 inches and 0.069 inches
Outside Diameter Between 0.588 inches and 0.598 inches
Recess Angle 90 degrees
Recess Diameter Between 0.402 inches and 0.412 inches
Style Designator Recessed
Surface Finish 125 microinches all surfaces
Surface Treatment Passivate

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.

Looking for a specific part? Use the cross-reference lookup.

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