The Washer,key, cataloged under National Stock Number 5310-01-682-4762, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-682-4762 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Distance From Centerline to Inside of Prebent Key | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Surface Treatment | TIN AND ZINC SEALING ELEMENT |
| External Prebent Key Width | 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 19C1014 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-682-4762 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-682-4762: Overall Height: 0.068 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN; Internal Straight Key Width: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Distance From Centerline to Inside of Prebent Key: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Style Designator: KEY. 8 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.