PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

E0W300Welding Machine,arc

Libby Power Systems, Llc · NSN 3431-00-899-5358 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-899-5358 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-899-5358. Primary manufacturer part number: E0W300.
Features
  • Welding Machine,arc — FSC 3431
  • Output Current Rating in Amps: 300.0 NOMINAL
  • Design Type: GENERATOR
  • Phase: THREE
  • Frequency in Hertz: 60.0
  • Minimum Current at Specified Voltage: 60 AMP AT 20 V V
  • Maximum Current at Specified Voltage: 375 AMP AT 40 V V
  • Arc Current Type: DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-00-899-5358, 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 15 verified specifications, sourced from the Federal Logistics Information System. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-899-5358
Primary Part NumberE0W300
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerLibby Power Systems, Llc
StatusACTIVE
Output Current Rating in Amps300.0 NOMINAL
Design TypeGENERATOR
PhaseTHREE
Frequency in Hertz60.0
Minimum Current at Specified Voltage60 AMP AT 20 V V
Maximum Current at Specified Voltage375 AMP AT 40 V V
Arc Current TypeDC
Power SourceELECTRIC MOTOR
Voltage in Volts220.0
Nondefinitive Spec/std DataB TYPE AND 1 CLASS
Tire TypeSTEEL
Accessory Components and QuantityCABLE,50 FT LG,2;CABLE,100 FT LG,1;HOLDER,1 FT
Current TypeAC
Mounting TypeWHEEL
Wheel Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 1
3431-00-081-8059LA300 INTERCHANGEABLE
Welding Machine,arc
Libby Power Systems, Llc
Cross-Reference Index
Part NumberManufacturer
MILW15759 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E0W300 PRIMARY Libby Power Systems, Llc (USA)
Related Parts
3431-00-081-8059INTERCHANGEABLE
WELDING MACHINE,ARC
LA300

Frequently Asked Questions

What is NSN 3431-00-899-5358?

NSN 3431-00-899-5358 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 3431-00-899-5358?

NSN 3431-00-899-5358 has 2 cross-referenced part numbers: MILW15759 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E0W300 (Libby Power Systems, Llc).

What NSN replaces 3431-00-899-5358?

There is 1 known substitute for 3431-00-899-5358: 3431-00-081-8059. Verify interchangeability with system specifications before substitution.

What are the specifications of E0W300?

Key specifications for E0W300: Output Current Rating in Amps: 300.0 NOMINAL; Design Type: GENERATOR; Phase: THREE; Frequency in Hertz: 60.0. 15 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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