PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TCWWelding Machine,arc

Amada Weld Tech Inc Dba Miyachi Unitek Corp · NSN 3431-01-372-1351 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-01-372-1351 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-372-1351. Primary manufacturer part number: TCW.
Features
  • Welding Machine,arc — FSC 3431
  • Phase: SINGLE
  • Current Type: AC
  • Design Type: TRANSFORMER
  • Voltage in Volts: 220.0 OR 440.0
  • Frequency in Hertz: 60.0
  • 1 verified cross-reference
  • Primary manufacturer: Amada Weld Tech Inc Dba Miyachi Unitek Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Machine,arc, cataloged under National Stock Number 3431-01-372-1351, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Amada Weld Tech Inc Dba Miyachi Unitek Corp. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-01-372-1351
Primary Part NumberTCW
Item NameWelding Machine,arc
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerAmada Weld Tech Inc Dba Miyachi Unitek Corp
StatusACTIVE
PhaseSINGLE
Current TypeAC
Design TypeTRANSFORMER
Voltage in Volts220.0 OR 440.0
Frequency in Hertz60.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-478-114224-2554-4 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Raytheon Company Dba Raytheon Co
5910-00-762-603503273380 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Thales Components Corp Div Thales Components Corporation
Cross-Reference Index
Part NumberManufacturer
TCW PRIMARY Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
Related Parts
5910-00-478-1142INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
24-2554-4
5910-00-762-6035INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
03273380

Frequently Asked Questions

What is NSN 3431-01-372-1351?

NSN 3431-01-372-1351 is a Welding Machine,arc, manufactured by Amada Weld Tech Inc Dba Miyachi Unitek Corp, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-01-372-1351?

NSN 3431-01-372-1351 has 1 cross-referenced part number: TCW (Amada Weld Tech Inc Dba Miyachi Unitek Corp).

What NSN replaces 3431-01-372-1351?

There are 2 known substitutes for 3431-01-372-1351: 5910-00-478-1142, 5910-00-762-6035. Verify interchangeability with system specifications before substitution.

What are the specifications of TCW?

Key specifications for TCW: Phase: SINGLE; Current Type: AC; Special Features: WELDS THERMOCOUPLE WIRES TOGETHER TO FORM A UNIFORM BEAD JUNCTION CONSISTENT IN SIZE AND QUALITY WITHOUT DETRIMENTAL OXIDE LAYERS. ARGON GAS WELD CHAMBER FOR JOINING MOST THERMOCOUPLE WIRE FROM 38 AWG TO 20 AWG. WIRE CLAMP REQUIRED TO MAKE WELDER FUNCTIONAL. WIRE CLAMP NOT INCLUDED; Design Type: TRANSFORMER. 6 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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