The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-01-179-7399, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Nut,self-Locking,barrel |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bristol Industries, Llc (CAGE 27238) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-179-7399 |
| Primary Part Number | HS4504-8 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| 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 |
|---|---|
| HS4504-8 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| HS4504-8 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| SL405-8A | 3/2 Design control — primary reference U.S. Government activity |
| HS4504-8 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 5310-01-179-7399 is a Nut,self-Locking,barrel, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-179-7399 has 1 manufacturer part number on file: HS4504-8 (Bristol Industries, Llc).
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.