The Washer,key, cataloged under National Stock Number 5310-00-808-6572, 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12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-808-6572 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 3.000 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| External Straight Key Width | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Internal Prebent Key Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 2.016 INCHES MINIMUM AND 2.031 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 |
|---|---|
| C8004-09-011FN23 | 5/2 Secondary reference U.S. Government activity |
| B8005-09-006FN22 | 5/2 Secondary reference U.S. Government activity |
| V09-006-022 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-808-6572 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-808-6572: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN; Overall Distance Including Keys: 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM 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.