The Diffuser,gas Shielded Arc Weldin, cataloged under National Stock Number 3431-01-683-7363, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Bernard Welding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-683-7363 |
| Primary Part Number | 404-20 |
| Item Name | Diffuser,gas Shielded Arc Weldin |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Bernard Welding |
| 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 |
|---|---|
| 404-20 PRIMARY | Bernard Welding (USA) |
NSN 3431-01-683-7363 is a Diffuser,gas Shielded Arc Weldin, manufactured by Bernard Welding, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-683-7363 has 1 manufacturer part number on file: 404-20 (Bernard Welding).
Key specifications for 404-20: Part Name Assigned by Controlling Agency: TOUGH LOCK RETAINING HEAD; End Item Identification: ARC WELDING TORCH. 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.