PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DWWelding Machine,arc

Hobart Bros Co · NSN 3431-00-360-2790 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-360-2790 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-360-2790. Primary manufacturer part number: DW.
Features
  • Welding Machine,arc — FSC 3431
  • Output Current Type: DC
  • Minimum Current at Specified Voltage: 50 AMP AT 20V V
  • Maximum Current at Specified Voltage: 400 AMP AT 40V V
  • Arc Current Type: DC
  • Output Current Rating in Amps: 300.0 NOMINAL
  • Power Output Rating: 3.0 KILOWATTS
  • Output Voltage Rating in Volts: 115.0 NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-00-360-2790, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Hobart Bros Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN3431-00-360-2790
Primary Part NumberDW
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerHobart Bros Co
StatusACTIVE
Output Current TypeDC
Minimum Current at Specified Voltage50 AMP AT 20V V
Maximum Current at Specified Voltage400 AMP AT 40V V
Arc Current TypeDC
Output Current Rating in Amps300.0 NOMINAL
Power Output Rating3.0 KILOWATTS
Output Voltage Rating in Volts115.0 NOMINAL
Engine Manufacturer Identifying NumberANY ACCEPTABLE
Design TypeGENERATOR
Reference Number Differentiating CharacteristicsAAXX,ATJL,AYHQ,CDRZ
Wheel Quantity2
Power SourceGASOLINE ENGINE
Engine Manufacturer NameANY ACCEPTABLE
Mounting TypeWHEEL
Tire TypePNEUMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3431-00-163-4345 INTERCHANGEABLE
Welding Machine,arc
3431-00-273-3713 INTERCHANGEABLE
Welding Machine,arc
2230-00-356-7427DW INTERCHANGEABLE
Wrench,track,gasoline Engine
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
DW Hobart Bros Co (USA)
GR300S Hobart Bros Co (USA)
Related Parts
3431-00-163-4345INTERCHANGEABLE
WELDING MACHINE,ARC
3431-00-273-3713INTERCHANGEABLE
WELDING MACHINE,ARC
2230-00-356-7427INTERCHANGEABLE
WRENCH,TRACK,GASOLINE ENGINE
DW

Frequently Asked Questions

What is NSN 3431-00-360-2790?

NSN 3431-00-360-2790 is a Welding Machine,arc, manufactured by Hobart Bros Co, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-360-2790?

NSN 3431-00-360-2790 has 2 cross-referenced part numbers: DW (Hobart Bros Co), GR300S (Hobart Bros Co).

What NSN replaces 3431-00-360-2790?

There are 3 known substitutes for 3431-00-360-2790: 3431-00-163-4345, 3431-00-273-3713, 2230-00-356-7427. Verify interchangeability with system specifications before substitution.

What are the specifications of DW?

Key specifications for DW: Output Current Type: DC; Minimum Current at Specified Voltage: 50 AMP AT 20V V; Maximum Current at Specified Voltage: 400 AMP AT 40V V; Arc Current Type: DC. 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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