The Welding Machine,arc, cataloged under National Stock Number 3431-01-228-8387, 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 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3431-01-228-8387 |
| Primary Part Number | 250P-AC/DC |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Transformer Primary Voltage in Volts | 230.0 |
| Minimum Current at Specified Voltage | 200 AMP AT 40V V |
| Arc Current Type | AC OR DC |
| Design Type | TRANSFORMER |
| Output Current Rating in Amps | 250.0 NOMINAL |
| Transformer Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Maximum Current at Specified Voltage | 250 AMP AT 30V V |
| Mounting Type | BASE |
| Transformer Phase | THREE |
| 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 |
|---|---|
| 250P-AC/DC PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 250P-AC/DC | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 3431-01-228-8387 is a Welding Machine,arc, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-228-8387 has 1 manufacturer part number on file: 250P-AC/DC (Miller Electric Mfg. Llc).
Key specifications for 250P-AC/DC: Transformer Primary Voltage in Volts: 230.0; Minimum Current at Specified Voltage: 200 AMP AT 40V V; Arc Current Type: AC OR DC; Design Type: TRANSFORMER. 9 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.