washers › flat washers
MS21299-18
Military Standard Washer
Description
Hole Diameter: 1-1/8", Diameter: 2-1/8"
Specifications
| Hardness Rating | 39.0 rockwell c minimum and 45.0 rockwell c maximum |
|---|---|
| Hole Diameter | 1.127 inches minimum and 1.131 inches maximum |
| Material | Steel |
| Overall Diameter | 2.140 inches minimum and 2.150 inches maximum |
| Specification Data | 80205-nas-2199 professional/industrial association standard |
| Surface Finish | 125.0 microinches all surfaces |
| Surface Treatment | Cadmium plated |
| Surface Treatment Specification | Qq-p-416,type 11,class2 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