The Washer,key, cataloged under National Stock Number 5310-00-285-9076, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-285-9076 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-B-611 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY B OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.260 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 |
|---|---|
| 435-17-0620 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-285-9076 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-285-9076: Internal Straight Key Width: 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: QQ-B-611 CANC FED 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.