The Washer,lock, cataloged under National Stock Number 5310-01-165-3363, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is DP Manufacturing Inc.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Jige International (CAGE F9980); Oshkosh Defense Llc (CAGE 75Q65); DP Manufacturing Inc. (CAGE 0EJ14); Soframe (CAGE FAFH7) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-165-3363 |
| Primary Part Number | 50850-40 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | DP Manufacturing Inc. |
| 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 |
|---|---|
| DP1144 | Jige International (FRA) |
| 2AT978 | Oshkosh Defense Llc (USA) |
| 1144 | DP Manufacturing Inc. (USA) |
| Y00023211 | Soframe (FRA) |
| 50850-40 PRIMARY | DP Manufacturing Inc. (USA) |
| Reference | Meaning |
|---|---|
| 50850-40 | 5/9 Secondary reference DP Mfg Inc |
| 2AT978 | 5/9 Secondary reference Oshkosh Corp |
| 1144 | 5/9 Secondary reference DP Mfg Inc |
NSN 5310-01-165-3363 is a Washer,lock, manufactured by DP Manufacturing Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-165-3363 has 5 manufacturer part numbers on file: DP1144 (Jige International), 2AT978 (Oshkosh Defense Llc), 1144 (DP Manufacturing Inc.), Y00023211 (Soframe), 50850-40 (DP Manufacturing Inc.).
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.