PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LE300Welding Machine,arc

Libby Power Systems, Llc · NSN 3431-00-810-9696 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-810-9696 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-810-9696. Primary manufacturer part number: LE300.
Features
  • Welding Machine,arc — FSC 3431
  • Rotational Speed Rating in RPM: 1550.0
  • Maximum Current at Specified Voltage: 375 AMP AT 40V V
  • Arc Current Type: DC
  • Engine Manufacturer Name: CONTINENTAL MOTORS CORP
  • Engine Manufacturer Identifying Number: MODEL NO. FS244
  • Minimum Current at Specified Voltage: 60 AMP AT 20V V
  • Power Source: GASOLINE ENGINE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-00-810-9696, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-810-9696
Primary Part NumberLE300
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerLibby Power Systems, Llc
StatusACTIVE
Rotational Speed Rating in RPM1550.0
Maximum Current at Specified Voltage375 AMP AT 40V V
Arc Current TypeDC
Engine Manufacturer NameCONTINENTAL MOTORS CORP
Engine Manufacturer Identifying NumberMODEL NO. FS244
Minimum Current at Specified Voltage60 AMP AT 20V V
Power SourceGASOLINE ENGINE
Nondefinitive Spec/std Data2 TYPE
Horsepower Rating48.0
Output Current Rating in Amps300.0 NOMINAL
Power Output Rating3.0 KILOWATTS
Design TypeGENERATOR
Output Voltage Rating in Volts115.0 NOMINAL
Output Current TypeAC OR DC
Mounting TypeSKID
Accessory Components and QuantityGROUND W/CLAMP,50 FT;LEAD W/ELECTRODE HOLDER,50 FT FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3431-00-021-8696WNG300B INTERCHANGEABLE
Welding Machine,arc
Morris Material Handling, Inc.
3431-00-239-8185 INTERCHANGEABLE
Welding Machine,arc
7490-00-538-0997 INTERCHANGEABLE
Tape Signer
3431-00-991-2961LEW300 INTERCHANGEABLE
Welding Machine,arc
Libby Power Systems, Llc
Cross-Reference Index
Part NumberManufacturer
MILW52275 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LE300 PRIMARY Libby Power Systems, Llc (USA)
Related Parts
3431-00-021-8696INTERCHANGEABLE
WELDING MACHINE,ARC
WNG300B
3431-00-239-8185INTERCHANGEABLE
WELDING MACHINE,ARC
7490-00-538-0997INTERCHANGEABLE
TAPE SIGNER
3431-00-991-2961INTERCHANGEABLE
WELDING MACHINE,ARC
LEW300

Frequently Asked Questions

What is NSN 3431-00-810-9696?

NSN 3431-00-810-9696 is a Welding Machine,arc, manufactured by Libby Power Systems, Llc, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-810-9696?

NSN 3431-00-810-9696 has 2 cross-referenced part numbers: MILW52275 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LE300 (Libby Power Systems, Llc).

What NSN replaces 3431-00-810-9696?

There are 4 known substitutes for 3431-00-810-9696: 3431-00-021-8696, 3431-00-239-8185, 7490-00-538-0997 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LE300?

Key specifications for LE300: Rotational Speed Rating in RPM: 1550.0; Maximum Current at Specified Voltage: 375 AMP AT 40V V; Arc Current Type: DC; Engine Manufacturer Name: CONTINENTAL MOTORS CORP. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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