The Washer,key, cataloged under National Stock Number 5310-00-490-2792, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-490-2792 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.480 INCHES MINIMUM AND 0.486 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 7.880 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS5515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 7.190 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Straight Key Width | 0.605 INCHES NOMINAL IN |
| External Key Quantity | 19 |
| Internal Prebent Key Length | 0.437 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 5.890 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 |
|---|---|
| 4G13783-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-490-2792 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-490-2792: Internal Prebent Key Width: 0.480 INCHES MINIMUM AND 0.486 INCHES MAXIMUM IN; Overall Distance Including Keys: 7.880 INCHES MINIMUM AND 7.910 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AMS5515 ASSN STD 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.