The Washer, cataloged under National Stock Number 5310-00-875-7637, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 08452); Libby Power Systems, Llc (CAGE 36024); Westinghouse Electric Corp (CAGE 79500) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-875-7637 |
| Primary Part Number | 419A006H01 |
| Item Name | Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 419A006H01 | Northrop Grumman Systems Corporation (USA) |
| 419A006H01 | Libby Power Systems, Llc (USA) |
| 419A006H01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 419A006H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-875-7637 is a Washer, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-875-7637 has 3 manufacturer part numbers on file: 419A006H01 (Northrop Grumman Systems Corporation), 419A006H01 (Libby Power Systems, Llc), 419A006H01 (Westinghouse Electric Corp).
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.