PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AIR PAKWelding Machine,arc

Miller Electric Mfg. Llc · NSN 3431-01-434-8492 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-01-434-8492 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-434-8492. Primary manufacturer part number: AIR PAK.
Features
  • Welding Machine,arc — FSC 3431
  • Design Type: GENERATOR
  • Output Current Type: DC
  • Current Type: AC OR DC
  • Output Current Rating in Amps: 400.0 NOMINAL
  • Phase: THREE
  • Frequency in Hertz: 60.0
  • Voltage in Volts: 120.0 OR 240.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-01-434-8492, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-01-434-8492
Primary Part NumberAIR PAK
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerMiller Electric Mfg. Llc
StatusACTIVE
Design TypeGENERATOR
Output Current TypeDC
Current TypeAC OR DC
Output Current Rating in Amps400.0 NOMINAL
PhaseTHREE
Frequency in Hertz60.0
Voltage in Volts120.0 OR 240.0
Horsepower Rating40.0
Minimum Current at Specified Voltage42AMPS MIN DC,36AMPS MIN AC
Output Voltage Rating in Volts36.0 NOMINAL
Engine Manufacturer Identifying NumberMODULAR DESIGN 4CYL DEUTZ DIESEL
Mounting TypeBASE AND SKID
Rotational Speed Rating in RPM1800.0
Engine Manufacturer NameDEUTZ
Power SourceDIESEL ENGINE
Arc Current TypeDC
Power Output Rating400.0 WATTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4130-01-314-712963A142997P1 INTERCHANGEABLE
Filter Element,air Conditioning
Lockheed Martin Corporation Div Rotary and Mission Systems
5998-01-385-6155 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
AIR PAK Miller Electric Mfg. Llc (USA)
MIL-W-80080TYIVSZ400 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
903 044 Miller Electric Mfg. Llc (USA)
903 044 Miller Electric Mfg. Co. (USA)
AIR PAK Miller Electric Mfg. Co. (USA)
Related Parts
4130-01-314-7129INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
63A142997P1
5998-01-385-6155INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 3431-01-434-8492?

NSN 3431-01-434-8492 is a Welding Machine,arc, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-01-434-8492?

NSN 3431-01-434-8492 has 5 cross-referenced part numbers: AIR PAK (Miller Electric Mfg. Llc), MIL-W-80080TYIVSZ400 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 903 044 (Miller Electric Mfg. Llc), 903 044 (Miller Electric Mfg. Co.), AIR PAK (Miller Electric Mfg. Co.).

What NSN replaces 3431-01-434-8492?

There are 2 known substitutes for 3431-01-434-8492: 4130-01-314-7129, 5998-01-385-6155. Verify interchangeability with system specifications before substitution.

What are the specifications of AIR PAK?

Key specifications for AIR PAK: Design Type: GENERATOR; Output Current Type: DC; Current Type: AC OR DC; Output Current Rating in Amps: 400.0 NOMINAL. 18 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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