The Washer,flat, cataloged under National Stock Number 5310-01-502-9938, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-502-9938 |
| Primary Part Number | 6390826-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 5793195-02 FIND 240 | Naval Sea Systems Command (USA) |
| 6392757 FIND 24 | Naval Sea Systems Command (USA) |
| 6390826-1 PRIMARY | Naval Sea Systems Command (USA) |
| 6390826-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 6392757 FIND 24 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 5793296 FIND 17 | Naval Sea Systems Command (USA) |
NSN 5310-01-502-9938 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-502-9938 has 6 manufacturer part numbers on file: 5793195-02 FIND 240 (Naval Sea Systems Command), 6392757 FIND 24 (Naval Sea Systems Command), 6390826-1 (Naval Sea Systems Command), 6390826-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6392757 FIND 24 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 1 more.
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.