The Washer,key, cataloged under National Stock Number 5310-01-507-0062, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-507-0062 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, CLASS 2, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.948 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS1443 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| External Key Quantity | 6 |
| External Prebent Key Width | 0.115 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.650 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 |
|---|---|
| NAS1443S4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-507-0062 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-507-0062: Surface Treatment Document and Classification: QQ-P-416, CLASS 2, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.948 INCHES MINIMUM AND 0.958 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.