The Welding Machine,inverter, cataloged under National Stock Number 3431-01-469-3355, 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 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-469-3355 |
| Primary Part Number | 903 506 |
| Item Name | Welding Machine,inverter |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Current Type | DC |
| Arc Current Type | DC |
| Design Type | RECTIFIER |
| Output Current Rating in Amps | 600.0 NOMINAL |
| Power Source | ELECTRIC MOTOR |
| Voltage in Volts | 230.0 OR 460.0 |
| Operator Type for Which Designed | SINGLE |
| Mounting Type | BASE |
| 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 |
|---|---|
| PHOENIX 456 | Miller Electric Mfg. Llc (USA) |
| 903 506 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 903 506 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
| WELDCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| PHOENIX 456 | 5/9 Secondary reference Miller Electric Mfg. Co. |
NSN 3431-01-469-3355 is a Welding Machine,inverter, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-469-3355 has 2 manufacturer part numbers on file: PHOENIX 456 (Miller Electric Mfg. Llc), 903 506 (Miller Electric Mfg. Llc).
Key specifications for 903 506: Phase: THREE; Frequency in Hertz: 60.0; Current Type: DC; Arc Current Type: DC. 10 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.