The Washer,shouldered, cataloged under National Stock Number 5310-01-259-6364, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-259-6364 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES ALL SURFACES |
| Shoulder Height | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-C-465 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-465 FED SPEC 2ND MATERIAL RESPONSE OR AMS 4640 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Shoulder Diameter | 1.4389 INCHES MINIMUM AND 1.4399 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 642 OR COPPER ALLOY 630 OVERALL |
| Hole Diameter | 1.2500 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS77A16-20 | 5/9 Secondary reference U.S. Government activity |
| NAS77A16-020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-259-6364 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-259-6364: Surface Finish: 100.0 MICROINCHES ALL SURFACES; Shoulder Height: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: QQ-C-465 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-465 FED SPEC 2ND MATERIAL RESPONSE OR AMS 4640 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.