The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-185-3403, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 Assembly,self-Locking,gang C |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301); Bristol Industries, Llc (CAGE 27238); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-185-3403 |
| Primary Part Number | ST3M544N13A44-4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| ST3M544N13A44-4 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M544N13A44-4 | Bristol Industries, Llc (USA) |
| ST3M544N13A44-4 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| G14421-4-4-13-44 | 5/9 Secondary reference Harvard Industries Inc |
| 10110089 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| G50063-4-4-13-44 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| ST3M544N13A44-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-185-3403 is a Nut Assembly,self-Locking,gang C, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-185-3403 has 3 manufacturer part numbers on file: ST3M544N13A44-4 (The Boeing Company Div Defense), ST3M544N13A44-4 (Bristol Industries, Llc), ST3M544N13A44-4 (Howmet Global Fastening Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-251-2883. 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.