PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILW52275Welding Machine,arc

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3431-00-239-8185 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-239-8185 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-239-8185. Primary manufacturer part number: MILW52275.
Features
  • Welding Machine,arc — FSC 3431
  • Design Type: GENERATOR
  • Power Output Rating: 3.0 KILOWATTS
  • Arc Current Type: DC
  • Minimum Current at Specified Voltage: 60 AMP AT 22V V
  • Output Current Rating in Amps: 300.0 NOMINAL
  • Output Current Type: DC
  • Engine Manufacturer Identifying Number: ANY ACCEPTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-00-239-8185, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-239-8185
Primary Part NumberMILW52275
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Design TypeGENERATOR
Power Output Rating3.0 KILOWATTS
Arc Current TypeDC
Minimum Current at Specified Voltage60 AMP AT 22V V
Output Current Rating in Amps300.0 NOMINAL
Output Current TypeDC
Engine Manufacturer Identifying NumberANY ACCEPTABLE
Maximum Current at Specified Voltage375 AMP AT 35V V
Output Voltage Rating in Volts115.0 NOMINAL
Nondefinitive Spec/std Data2 TYPE
Engine Manufacturer NameANY ACCEPTABLE
Power SourceGASOLINE ENGINE
Mounting TypeSKID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3431-00-021-8696WNG300B INTERCHANGEABLE
Welding Machine,arc
Morris Material Handling, Inc.
3431-00-810-9696LE300 INTERCHANGEABLE
Welding Machine,arc
Libby Power Systems, Llc
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
Related Parts
3431-00-021-8696INTERCHANGEABLE
WELDING MACHINE,ARC
WNG300B
3431-00-810-9696INTERCHANGEABLE
WELDING MACHINE,ARC
LE300
3431-00-991-2961INTERCHANGEABLE
WELDING MACHINE,ARC
LEW300

Frequently Asked Questions

What is NSN 3431-00-239-8185?

NSN 3431-00-239-8185 is a Welding Machine,arc, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-239-8185?

NSN 3431-00-239-8185 has 1 cross-referenced part number: MILW52275 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3431-00-239-8185?

There are 3 known substitutes for 3431-00-239-8185: 3431-00-021-8696, 3431-00-810-9696, 3431-00-991-2961. Verify interchangeability with system specifications before substitution.

What are the specifications of MILW52275?

Key specifications for MILW52275: Design Type: GENERATOR; Power Output Rating: 3.0 KILOWATTS; Arc Current Type: DC; Minimum Current at Specified Voltage: 60 AMP AT 22V V. 13 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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