The Washer,horizontal J, cataloged under National Stock Number 5310-00-591-9989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,horizontal J |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Westinghouse Electric Corp (CAGE 79500) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-591-9989 |
| Primary Part Number | 2JB1113-1 |
| Item Name | Washer,horizontal J |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| 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 |
|---|---|
| 666J925PC49 | Westinghouse Electric Corp (USA) |
| 1JH2184PC46 | Westinghouse Electric Corp (USA) |
| 663J869PC75 | Westinghouse Electric Corp (USA) |
| 2JB1113PC1 | Westinghouse Electric Corp (USA) |
| 2JB1113-1 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 905J960PC39 | 5/9 Secondary reference Westinghouse Electric Corp |
| 906J404PC39 | 5/2 Secondary reference U.S. Government activity |
| 906J404PC39 | 5/9 Secondary reference Westinghouse Electric Corp |
| 2JB1113-1 | 5/9 Secondary reference U.S. Government activity |
| 905J960PC39 | 5/2 Secondary reference U.S. Government activity |
| 2JB1113-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-591-9989 is a Washer,horizontal J, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-591-9989 has 5 manufacturer part numbers on file: 666J925PC49 (Westinghouse Electric Corp), 1JH2184PC46 (Westinghouse Electric Corp), 663J869PC75 (Westinghouse Electric Corp), 2JB1113PC1 (Westinghouse Electric Corp), 2JB1113-1 (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.