The Washer,key, cataloged under National Stock Number 5310-00-073-6863, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-073-6863 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Angle Between First and Second Key | 105.0 DEGREES NOMINAL |
| Internal Prebent Key Width | 0.062 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.620 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/8,H24 OR H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| External Straight Key Width | 0.094 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Angle Between Second and Third Key | 105.0 DEGREES NOMINAL |
| Hole Diameter | 0.252 INCHES MINIMUM AND 0.258 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 |
|---|---|
| 8900915P13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-073-6863 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-073-6863: Angle Between First and Second Key: 105.0 DEGREES NOMINAL; Internal Prebent Key Width: 0.062 INCHES NOMINAL IN; Overall Distance Including Keys: 0.620 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/8,H24 OR H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.