The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-135-4158, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,plate |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bristol Industries, Llc (CAGE 27238); The Boeing Company Div Defense (CAGE 76301); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-135-4158 |
| Primary Part Number | BFN720C5M2 |
| Item Name | Nut,self-Locking,plate |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BFN720C5M2 PRIMARY | Bristol Industries, Llc (USA) |
| ST3M720C5M2 PRIMARY | The Boeing Company Div Defense (USA) |
| F50340-5-2 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M720C5M2 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10109727 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| F12089-2-5 | 5/9 Secondary reference Harvard Industries Inc |
| F12089-2-5 | 3/2 Design control — primary reference U.S. Government activity |
| NS202184-054-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-135-4158 is a Nut,self-Locking,plate, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-135-4158 has 4 manufacturer part numbers on file: BFN720C5M2 (Bristol Industries, Llc), ST3M720C5M2 (The Boeing Company Div Defense), F50340-5-2 (Howmet Global Fastening Systems Inc), ST3M720C5M2 (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.