washers › recessed washers
MS21299-C5
Military Standard Recessed Washer
Description
Recessed Washer part number MS21299-C5
Specifications
| Hardness Rating | 39.0 rockwell c minimum and 45.0 rockwell c maximum |
|---|---|
| Hole Diameter | 0.314 inches minimum and 0.318 inches maximum |
| Material | Steel |
| Material Specification | Mil-s-6758 mil spec single material response or mil-s-18729 mil spec single material response |
| Material Thickness | 0.057 inches minimum and 0.069 inches maximum |
| Outside Diameter | 0.588 inches minimum and 0.598 inches maximum |
| Recess Angle | 90.0 degrees |
| Recess Diameter | 0.402 inches minimum and 0.412 inches maximum |
| Style Designator | 15 recessed |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec single treatment response |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21299-C4
- MS21299-C5
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.
- MS14183C5 MS 5/16 · 19/32 in · Nickel
- MS14183P-C5 MS 5/16 · 19/32 in · Nickel
- MS21299C5K MS 5/16 · 19/32 in · CRES
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Catalog data updated 2026-07-05. Report a data error