The Welding Machine,inverter, cataloged under National Stock Number 3431-01-438-7656, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Thermal Dynamics Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-438-7656 |
| Primary Part Number | 500237-001 |
| Item Name | Welding Machine,inverter |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Thermal Dynamics Corp |
| Status | ACTIVE |
| Phase | SINGLE OR THREE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Design Type | GENERATOR |
| Power Source | ELECTRIC MOTOR |
| Voltage in Volts | 200.0 OR 460.0 |
| 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 |
|---|---|
| 500237-001 PRIMARY | Thermal Dynamics Corp (USA) |
| WELDCVC | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| 500237-001 | 5/9 Secondary reference Hobart Bros Co |
NSN 3431-01-438-7656 is a Welding Machine,inverter, manufactured by Thermal Dynamics Corp, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-438-7656 has 2 manufacturer part numbers on file: 500237-001 (Thermal Dynamics Corp), WELDCVC (Hobart Bros Co).
Key specifications for 500237-001: Phase: SINGLE OR THREE; Frequency in Hertz: 60.0; Current Type: AC; Design Type: GENERATOR. 6 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.