The Welding Machine,arc, cataloged under National Stock Number 3431-01-650-1802, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-650-1802 |
| Primary Part Number | 907204021 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Output Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MINIMUM |
| Output Current Rating in Amps | 300.0 NOMINAL |
| Power Source | ELECTRIC MOTOR |
| Voltage in Volts | 30.0 |
| Wheel Quantity | 4 |
| Output Phase | THREE |
| Mounting Type | WHEEL |
| 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 |
|---|---|
| MR907204021 | Silverwater Welding Supplies (AUS) |
| 907204021 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| MR907204021 | 5/9 Secondary reference Welding Industries Pty Ltd |
| 907204021 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 3431-01-650-1802 is a Welding Machine,arc, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-650-1802 has 2 manufacturer part numbers on file: MR907204021 (Silverwater Welding Supplies), 907204021 (Miller Electric Mfg. Llc).
Key specifications for 907204021: Output Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MINIMUM; Output Current Rating in Amps: 300.0 NOMINAL; Power Source: ELECTRIC MOTOR; Voltage in Volts: 30.0. 7 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.