washers › recessed washers
NAS1587-4C
Countersunk Washer
Description
Countersunk Washer
Specifications
| Hole Diameter | Between 0.252 inches and 0.260 inches |
|---|---|
| Material | Steel |
| Material Specification | Qq-s-763 federal specification 1st material response or qq-s-763 federal specification 2nd material response or mil-s-6721 military specification all material responses |
| Material Thickness | 0.078 |
| NIIN | 00-476-7367 |
| NSN | 5310-00-476-7367 |
| Outside Diameter | 0.531 |
| Pre-Packaged Bag Quantity | 100 |
| Recess Angle | 90.0 degrees |
| Recess Diameter | Between 0.334 inches and 0.344 inches |
| Specification Data | 80205-nas1587 professional/industrial association standard |
| Style Designator | Recessed |
| Surface Finish | 63.0 microinches bottom, 63.0 microinches top |
| Surface Treatment | Passivate |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1587-3C
- NAS1587-4C
- NAS1587-5C
- NAS1587-6C
- NAS1587-7C
- NAS1587-8C
- NAS1587-10C
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1587-4C. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error