The Washer,lock, cataloged under National Stock Number 5310-00-080-9785, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-080-9785 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL AND INTERNAL TEETH |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.045 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Material Thickness | 0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR CHROMATE OVERALL |
| Material | STEEL COMP 1050 OR STEEL COMP 1566 OVERALL |
| Hole Diameter | 0.448 INCHES MINIMUM AND 0.464 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 |
|---|---|
| MS45904-80 | 2/2 Government specification standardization U.S. Government activity |
| 5310000809785 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-080-9785 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-080-9785: Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 1.045 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN; Material Thickness: 0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN. 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.