washers › flat washers
MS21299C6
Military Standard Flat Washer
Description
Hole Diameter: 3/8"
Specifications
| Hardness Rating | Between 39.0 rockwell c and 45.0 rockwell c |
|---|---|
| Hole Diameter | Between 0.376 inches and 0.380 inches |
| Material | Steel |
| Material Specification | Mil-s-6758 military specification 1st material response and mil-s-18729 military specification 2nd material response |
| Material Thickness | Between 0.071 inches and 0.085 inches |
| Outside Diameter | Between 0.702 inches and 0.712 inches |
| Recess Angle | 90.0 degrees |
| Recess Diameter | Between 0.497 inches and 0.507 inches |
| Style Designator | Recessed |
| Surface Treatment | Cadmium plated |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416 |
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 MS21299C6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error