The Washer,shouldered, cataloged under National Stock Number 5310-00-089-8964, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-089-8964 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES ALL SURFACES |
| Shoulder Height | 0.163 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.615 INCHES MINIMUM AND 1.625 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 | 1.439 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 642 OVERALL |
| Hole Diameter | 1.250 INCHES MINIMUM AND 1.252 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 |
|---|---|
| NAS77-20-23 | 5/9 Secondary reference U.S. Government activity |
| NAS77-20-023 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-089-8964 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-089-8964: Surface Finish: 100.0 MICROINCHES ALL SURFACES; Shoulder Height: 0.163 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: QQ-C-465 FED SPEC SINGLE 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.