The Welding Machine,arc, cataloged under National Stock Number 3431-00-991-2961, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Libby Power Systems, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-00-991-2961 |
| Primary Part Number | LEW300 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — No Item Name Available |
| Manufacturer | Libby Power Systems, Llc |
| Status | ACTIVE |
| Rotational Speed Rating in RPM | 2200.0 |
| Accessory Components and Quantity | 50 FT GROUND W/CLAMP,1;50 FT LEAD W/ELECTRODE HOLDER,1 FT |
| Nondefinitive Spec/std Data | 2 TYPE |
| Maximum Current at Specified Voltage | 375 AMP AT 40 V V |
| Power Source | GASOLINE ENGINE |
| Engine Manufacturer Identifying Number | MODEL NO. FS-244-6065 |
| Engine Manufacturer Name | CONTINENTAL MOTOR CORP |
| Minimum Current at Specified Voltage | 60 AMP AT 20 V V |
| Arc Current Type | DC |
| Output Current Type | DC |
| Horsepower Rating | 43.8 |
| Output Current Rating in Amps | 300.0 NOMINAL |
| Output Voltage Rating in Volts | 115.0 NOMINAL |
| Power Output Rating | 3.0 KILOWATTS |
| Mounting Type | SKID |
| Design Type | GENERATOR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILW13768TYPE1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILW52275 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| LEW300 PRIMARY | Libby Power Systems, Llc (USA) |
NSN 3431-00-991-2961 is a Welding Machine,arc, manufactured by Libby Power Systems, Llc, classified under FSC 3431 (No Item Name Available). Status: active.
NSN 3431-00-991-2961 has 3 cross-referenced part numbers: MILW13768TYPE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILW52275 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LEW300 (Libby Power Systems, Llc).
There are 5 known substitutes for 3431-00-991-2961: 3431-00-021-8696, 3431-00-163-4345, 3431-00-239-8185 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for LEW300: Rotational Speed Rating in RPM: 2200.0; Accessory Components and Quantity: 50 FT GROUND W/CLAMP,1;50 FT LEAD W/ELECTRODE HOLDER,1 FT; Nondefinitive Spec/std Data: 2 TYPE; Maximum Current at Specified Voltage: 375 AMP AT 40 V V. 16 total characteristics are documented in the Federal Logistics Information System.