The Washer,lock, cataloged under National Stock Number 5310-01-486-9641, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-486-9641 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Material Document and Classification | SAE J403 NO.1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.018 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN |
| Material Thickness | 0.029 INCHES NOMINAL IN |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.470 INCHES MINIMUM 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 |
|---|---|
| 13206E1422 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-486-9641 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-486-9641: Material Document and Classification: SAE J403 NO.1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.018 INCHES MINIMUM AND 1.032 INCHES MAXIMUM IN; Material Thickness: 0.029 INCHES NOMINAL IN; Special Features: INTERNAL TOOTH CONICAL LOCKWASHER. 5 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.