The Washer,key, cataloged under National Stock Number 5310-00-736-4077, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-736-4077 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.765 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.580 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| External Key Quantity | 4 |
| External Prebent Key Width | 0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 1.250 INCHES MINIMUM AND 1.270 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 |
|---|---|
| 204-070-273-001 | 5/2 Secondary reference U.S. Government activity |
| 204-070-273-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-736-4077 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-736-4077: Distance From Centerline to Inside of Prebent Key: 0.765 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN; External Prebent Key Length: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.580 INCHES MINIMUM AND 1.610 INCHES MAXIMUM IN. 9 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.