The Welding Machine,arc, cataloged under National Stock Number 3431-01-187-8480, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-187-8480 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Status | ACTIVE |
| Transformer Primary Voltage in Volts | 230.0 |
| Minimum Current at Specified Voltage | 180 AMP AT 16V V |
| Arc Current Type | AC OR DC |
| Design Type | RECTIFIER OR TRANSFORMER |
| Output Current Rating in Amps | 180.0 MINIMUM AND 250.0 MAXIMUM |
| Transformer Frequency in Hertz | 60.0 NOMINAL |
| Maximum Current at Specified Voltage | 250 AMP AT 12V V |
| Mounting Type | BASE |
| Transformer Phase | SINGLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1341-0187 | 5/9 Secondary reference U.S. Government activity |
| 1341-0318 | 3/2 Design control — primary reference U.S. Government activity |
| 1341-0299 | 5/9 Secondary reference U.S. Government activity |
| 1341-0187 | 5/9 Secondary reference Messer Llc |
NSN 3431-01-187-8480 is a Welding Machine,arc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
Key specifications for 3431-01-187-8480: Transformer Primary Voltage in Volts: 230.0; Minimum Current at Specified Voltage: 180 AMP AT 16V V; Arc Current Type: AC OR DC; Design Type: RECTIFIER OR 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.