The Washer,keyway, cataloged under National Stock Number 5310-00-596-4581, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-4581 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.710 INCHES NOMINAL IN |
| Internal Keyway Width | 0.280 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.880 INCHES NOMINAL IN |
| Internal Keyway Quantity | 1 |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.140 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 3-95613 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-596-4581 is a Washer,keyway, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-596-4581: Distance From Centerline to Bottom of Internal Keyway: 0.710 INCHES NOMINAL IN; Internal Keyway Width: 0.280 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Material Document and Classification: MIL-S-7952 MIL 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.