The Washer,key, cataloged under National Stock Number 5310-00-481-0084, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-481-0084 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Top of Internal Key | 0.200 INCHES NOMINAL IN |
| Hardness Rating | 44.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| First Key Width | 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS1193 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL COMP 630 OVERALL |
| 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 |
|---|---|
| NAS1193 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1193K9-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-481-0084 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-481-0084: Overall Height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.200 INCHES NOMINAL IN; Hardness Rating: 44.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS 5355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 7 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.