The Washer,lock, cataloged under National Stock Number 5310-01-692-2282, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Carver Pump Company (CAGE 10941) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-692-2282 |
| Primary Part Number | 840-0625-302 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 999-1107-A-44 REV 1 ITEM NO 658 | Carver Pump Company (USA) |
| 840-0625-302 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-1107-A-44 | D/9 Drawing number reference only Carver Pump Company |
NSN 5310-01-692-2282 is a Washer,lock, manufactured by Carver Pump Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-692-2282 has 2 manufacturer part numbers on file: 999-1107-A-44 REV 1 ITEM NO 658 (Carver Pump Company), 840-0625-302 (Carver Pump Company).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-692-2383. Verify interchangeability with system specifications before substitution.
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.