The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-01-526-3922, 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. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-526-3922 |
| Primary Part Number | K50118-12 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| 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 |
|---|---|
| B10695-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLN170-12 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| K50118-12 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 77020-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M441-12M PRIMARY | The Boeing Company Div Defense (USA) |
| BFN441-12 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| SL4010-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-526-3922 is a Nut,self-Locking,barrel, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-526-3922 has 6 manufacturer part numbers on file: B10695-12 (Sps Technologies, Llc Dba PB Fasteners), SLN170-12 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), K50118-12 (Howmet Global Fastening Systems Inc), 77020-12 (Sps Technologies, Llc Dba PB Fasteners), ST3M441-12M (The Boeing Company Div Defense) and 1 more.
Key specifications for K50118-12: End Item Identification: FIGHTER, AIRCRAFT-FIRST. 0 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.