The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-569-4177, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-569-4177 |
| Primary Part Number | G50344-4-4-16-3 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| G50344-4-4-16-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BGC724N16-4-3 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| ST3M724 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5310-01-569-4177 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-569-4177 has 2 manufacturer part numbers on file: G50344-4-4-16-3 (Howmet Global Fastening Systems Inc), BGC724N16-4-3 (Bristol Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-569-4319. Verify interchangeability with system specifications before substitution.
Key specifications for G50344-4-4-16-3: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Part Name Assigned by Controlling Agency: NUT, SELF-LOCKING, GANG CHANNEL-VARIABLE C BOARD, CRES, DRY FILM, EXTENDED REUSEABILITY.. 5 specifications are documented in the U.S. Government catalog.
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.