The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-325-7199, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Maclean-Fogg Co. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Jenny Products, Inc (CAGE 29215); Maclean-Fogg Co (CAGE 0AMX8) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-325-7199 |
| Primary Part Number | 22FFU1420 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Maclean-Fogg Co |
| 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 |
|---|---|
| 88303 | Jenny Products, Inc (USA) |
| 22FFU1420 PRIMARY | Maclean-Fogg Co (USA) |
| Reference | Meaning |
|---|---|
| 88303 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 88303 | 5/2 Secondary reference U.S. Government activity |
| 88303 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 5310-01-325-7199 is a Nut,self-Locking,hexagon, manufactured by Maclean-Fogg Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-325-7199 has 2 manufacturer part numbers on file: 88303 (Jenny Products, Inc), 22FFU1420 (Maclean-Fogg Co).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-621-8239. 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.