The Washer,key, cataloged under National Stock Number 5310-00-461-7448, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-461-7448 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.250 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 5.280 INCHES NOMINAL IN |
| Overall Distance Including Keys | 11.560 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-7952 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 11.000 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Straight Key Width | 0.450 INCHES NOMINAL IN |
| External Key Quantity | 52 |
| Material | STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OVERALL |
| Internal Key Quantity | 4 |
| Hole Diameter | 10.560 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 | X |
| Reference | Meaning |
|---|---|
| 4G13503-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-461-7448 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-461-7448: Internal Straight Key Width: 0.250 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 5.280 INCHES NOMINAL IN; Overall Distance Including Keys: 11.560 INCHES NOMINAL IN; Style Designator: KEY. 12 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.