The Washer,key, cataloged under National Stock Number 5310-01-351-2862, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-351-2862 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.062 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.705 INCHES MINIMUM IN |
| External Prebent Key Length | 0.050 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| External Prebent Key Width | 0.110 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.010 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 |
|---|---|
| MS25081-8 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-351-2862 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-351-2862: Internal Straight Key Width: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.705 INCHES MINIMUM IN; External Prebent Key Length: 0.050 INCHES NOMINAL IN. 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.