The Welding Machine,arc, cataloged under National Stock Number 3431-01-277-4609, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Hobart Bros Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-277-4609 |
| Primary Part Number | MEGA-ARC 4535D |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Hobart Bros Co |
| Status | ACTIVE |
| Rotational Speed Rating in RPM | 1800.0 |
| Arc Current Type | DC |
| Design Type | GENERATOR |
| Output Current Rating in Amps | 350.0 NOMINAL |
| Power Source | DIESEL ENGINE |
| Output Voltage Rating in Volts | 115.0 NOMINAL |
| Output Current Type | AC |
| Mounting Type | BASE |
| 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 |
|---|---|
| MEGA-ARC 4535D PRIMARY | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| 3431-1330-3596 | 6/9 Informative reference only U.S. Government activity |
| MA350-D-6495-1 | 5/9 Secondary reference Hobart Bros Co |
NSN 3431-01-277-4609 is a Welding Machine,arc, manufactured by Hobart Bros Co, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-277-4609 has 1 manufacturer part number on file: MEGA-ARC 4535D (Hobart Bros Co).
Key specifications for MEGA-ARC 4535D: Rotational Speed Rating in RPM: 1800.0; Arc Current Type: DC; Design Type: GENERATOR; Output Current Rating in Amps: 350.0 NOMINAL. 8 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.