The Nozzle,welding, cataloged under National Stock Number 3431-00-043-3144, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Worldwide Welding, Incorporated Div Lumax Lubrication Equipment. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3431-00-043-3144 |
| Primary Part Number | 54N14 |
| Item Name | Nozzle,welding |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Worldwide Welding, Incorporated Div Lumax Lubrication Equipment |
| Status | ACTIVE |
| Style Designator | STRAIGHT CONICAL |
| Welding Process for Which Designed | INERT GAS TUNGSTEN ARC |
| Material | ALUMINA |
| Orifice Diameter | 0.500 INCHES NOMINAL IN |
| Mounting End Diameter | 0.9062 INCHES NOMINAL IN |
| 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 |
|---|---|
| 54N14 PRIMARY | Worldwide Welding, Incorporated Div Lumax Lubrication Equipment (USA) |
| 54N14 PRIMARY | Welding Nozzle Intl Inc (USA) |
| 54N14 PRIMARY | Weldcraft Customer Service (USA) |
| 54N14 PRIMARY | Cni Ceramic Nozzles Inc Dba Cni (USA) |
| Reference | Meaning |
|---|---|
| 54N14 | 5/9 Secondary reference L-Tec Welding and Cutting Systems |
| 54N14 | 5/9 Secondary reference Standard Welders Equipment Corporation |
| 54N14 | 5/9 Secondary reference Union Carbide Corp Sub of Dow Co the |
| 54N14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3431-00-043-3144 is a Nozzle,welding, manufactured by Worldwide Welding, Incorporated Div Lumax Lubrication Equipment, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-00-043-3144 has 4 manufacturer part numbers on file: 54N14 (Worldwide Welding, Incorporated Div Lumax Lubrication Equipment), 54N14 (Welding Nozzle Intl Inc), 54N14 (Weldcraft Customer Service), 54N14 (Cni Ceramic Nozzles Inc Dba Cni).
Key specifications for 54N14: Style Designator: STRAIGHT CONICAL; Overall Length: 1.6875 INCHES NOMINAL IN; Welding Process for Which Designed: INERT GAS TUNGSTEN ARC; Special Features: CUP NO. 8. 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.