The Welding Machine,arc, cataloged under National Stock Number 3431-01-477-5333, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-477-5333 |
| Primary Part Number | 4UV64 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Arc Current Type | AC |
| Wheel Quantity | 4 |
| Accessory Components and Quantity | PREFLOW TIMER KIT ADJUSTS GAS PREFLOW TIME FROM 0 TO 15 SEC. WITH ON/OFF SWITCH, 1; SPOT TIMER ADJUSTS TIG SPOT WELDING TIME FROM 0 TO 5.7 SEC. WITH ON/OFF SWITCH, 1; RUNNING GEAR INCLUDED 10 IN. WHEELS, 2; 5 IN. CASTERS, 5; COMPARTMENT RACKS FOR GAS CYLINDERS OR COOLANT SYSTEM, 2 IN |
| Mounting Type | WHEEL |
| 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 |
|---|---|
| 4UV64 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 4UV64 | 5/9 Secondary reference Grainger W W Inc Grainger Br No 906 |
NSN 3431-01-477-5333 is a Welding Machine,arc, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-477-5333 has 1 manufacturer part number on file: 4UV64 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 4UV64: Arc Current Type: AC; Wheel Quantity: 4; Accessory Components and Quantity: PREFLOW TIMER KIT ADJUSTS GAS PREFLOW TIME FROM 0 TO 15 SEC. WITH ON/OFF SWITCH, 1; SPOT TIMER ADJUSTS TIG SPOT WELDING TIME FROM 0 TO 5.7 SEC. WITH ON/OFF SWITCH, 1; RUNNING GEAR INCLUDED 10 IN. WHEELS, 2; 5 IN. CASTERS, 5; COMPARTMENT RACKS FOR GAS CYLINDERS OR COOLANT SYSTEM, 2 IN; Mounting Type: WHEEL. 4 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.