The Welding Machine,arc, cataloged under National Stock Number 3431-01-384-5122, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-384-5122 |
| Primary Part Number | K1346-13 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Lincoln Electric Holdings Inc |
| Status | ACTIVE |
| Transformer Primary Voltage in Volts | 230.0 |
| Current Type | DC |
| Minimum Current at Specified Voltage | 60 AMP AT 12 V V |
| Output Frequency Rating | 60.0 HERTZ NOMINAL |
| Arc Current Type | DC |
| Design Type | RECTIFIER OR TRANSFORMER |
| Output Current Rating in Amps | 400.0 NOMINAL |
| Voltage in Volts | 230.0 OR 460.0 |
| Output Voltage Rating in Volts | 115.0 NOMINAL |
| Transformer Frequency in Hertz | 60.0 NOMINAL |
| Output Current Type | AC |
| Maximum Current at Specified Voltage | 500 AMP AT 35 V V |
| Output Phase | SINGLE |
| 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 |
|---|---|
| K1346-13 PRIMARY | Lincoln Electric Holdings Inc (USA) |
| Reference | Meaning |
|---|---|
| CV-400 | 3/1 Design control — primary reference Lincoln Electric Holdings Inc |
| K1346 | 5/9 Secondary reference Lincoln Electric Holdings Inc |
| K1346-1 | 5/9 Secondary reference Lincoln Electric Holdings Inc |
NSN 3431-01-384-5122 is a Welding Machine,arc, manufactured by Lincoln Electric Holdings Inc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-384-5122 has 1 manufacturer part number on file: K1346-13 (Lincoln Electric Holdings Inc).
1 possible match (shared part number, not a government interchangeability claim): 9330-01-654-0980. Verify interchangeability with system specifications before substitution.
Key specifications for K1346-13: Transformer Primary Voltage in Volts: 230.0; Current Type: DC; Minimum Current at Specified Voltage: 60 AMP AT 12 V V; Output Frequency Rating: 60.0 HERTZ NOMINAL. 15 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.