The Nozzle,welding Gun, cataloged under National Stock Number 3431-00-446-2642, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Westinghouse Electric Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-00-446-2642 |
| Primary Part Number | 311B703H02 |
| Item Name | Nozzle,welding Gun |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Westinghouse Electric Corp |
| 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 |
|---|---|
| 311B703H02 | Westinghouse Electric Corp (USA) |
| 311B703H02 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 311B703H02 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 311B703H07 | 5/9 Secondary reference U.S. Government activity |
| 311B703H02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3431-00-446-2642 is a Nozzle,welding Gun, manufactured by Westinghouse Electric Corp, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-00-446-2642 has 2 manufacturer part numbers on file: 311B703H02 (Westinghouse Electric Corp), 311B703H02 (Northrop Grumman Systems Corporation).
Key specifications for 311B703H02: End Item Identification: WESTINGHOUSE MODEL SP WELDING GUNS. 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.