The Welding Machine,arc, cataloged under National Stock Number 3431-01-079-8439, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-079-8439 |
| Primary Part Number | 7540626 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Rotational Speed Rating in RPM | 1800.0 |
| Minimum Current at Specified Voltage | 40 AMP AT 22 V V |
| Arc Current Type | DC |
| Design Type | RECTIFIER |
| Output Current Rating in Amps | 300.0 NOMINAL |
| Power Source | DIESEL ENGINE |
| Accessory Components and Quantity | 50 FT LEAD W/ELECTRODE HOLDER,1;50 FT WORK LEAD W/CLAMP,1;GROUND ROD 108 IN.LONG,1 IN |
| Maximum Current at Specified Voltage | 375 AMP AT 35 V V |
| Engine Manufacturer Identifying Number | UNKNOWN |
| Engine Manufacturer Name | UNKNOWN |
| Mounting Type | SKID |
| 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 |
|---|---|
| 11022100 | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA) |
| 7540626 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 3431-1130-3066 | 6/9 Informative reference only U.S. Government activity |
NSN 3431-01-079-8439 is a Welding Machine,arc, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-079-8439 has 2 manufacturer part numbers on file: 11022100 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), 7540626 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7540626: Rotational Speed Rating in RPM: 1800.0; Minimum Current at Specified Voltage: 40 AMP AT 22 V V; Arc Current Type: DC; Design Type: RECTIFIER. 11 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.