The Welding Machine,arc, cataloged under National Stock Number 3431-00-856-5344, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-00-856-5344 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Status | ACTIVE |
| Transformer Primary Voltage in Volts | 460.0 |
| Minimum Current at Specified Voltage | 3 AMPS |
| Arc Current Type | AC |
| Design Type | TRANSFORMER |
| Output Current Rating in Amps | 300.0 NOMINAL |
| Transformer Frequency in Hertz | 50.0 NOMINAL AND 60.0 NOMINAL |
| Accessory Components and Quantity | FOOT SWITCH,CONTROL,AMPERAGE,REMOTE,1;FILTER,WATER,1 |
| Maximum Current at Specified Voltage | 410 AMPS |
| Mounting Type | SKID |
| 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 |
|---|---|
| MAG300T12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3431-00-856-5344 is a Welding Machine,arc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
Key specifications for 3431-00-856-5344: Transformer Primary Voltage in Volts: 460.0; Minimum Current at Specified Voltage: 3 AMPS; Arc Current Type: AC; Design Type: TRANSFORMER. 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.