PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300ADPPower Unit,resistance Heating,so

Amada Weld Tech Inc Dba Miyachi Unitek Corp · NSN 3439-00-081-8320 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-081-8320 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-081-8320. Primary manufacturer part number: 300ADP.
Features
  • Power Unit,resistance Heating,so — FSC 3439
  • General Characteristics Item Description: 250/50 WATT-SECONDS;DUAL RANGE;POLARITY REVERSAL AND PULSE WIDTH SWITCHES;FIVE WELD ENERGY PUSHBUTTON SELECTORS;175 WELDS PER MINUTE AT 60 WATT SECONDS;130VAC;12 AMPS;SINGLE PHASE;60 HZ;16.0 IN. LG BY 10.0 IN. WD BY 13.0 IN. HT O/A VAC
  • 5 verified cross-references
  • 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 Power Unit,resistance Heating,so, cataloged under National Stock Number 3439-00-081-8320, is classified within Federal Supply Class 3439 (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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-081-8320
Primary Part Number300ADP
Item NamePower Unit,resistance Heating,so
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAmada Weld Tech Inc Dba Miyachi Unitek Corp
StatusACTIVE
General Characteristics Item Description250/50 WATT-SECONDS;DUAL RANGE;POLARITY REVERSAL AND PULSE WIDTH SWITCHES;FIVE WELD ENERGY PUSHBUTTON SELECTORS;175 WELDS PER MINUTE AT 60 WATT SECONDS;130VAC;12 AMPS;SINGLE PHASE;60 HZ;16.0 IN. LG BY 10.0 IN. WD BY 13.0 IN. HT O/A VAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-011-8001MS35756-113 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-011-80022949P11 INTERCHANGEABLE
Key,woodruff
Taylor Machine Works Inc
5998-00-065-2370118002 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems Information and Electronic Systems Integration Inc.
2920-00-237-0126YJ64 INTERCHANGEABLE
Rectifier,module
Wisconsin Motors, Llc
6105-00-415-6434 INTERCHANGEABLE
Motor,alternating Current
5905-00-436-1259113-202 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Thales Avs France SAS
6605-00-551-46801045-01 INTERCHANGEABLE
Sextant,bubble
Elbitamerica, Inc.
5930-00-583-6643 INTERCHANGEABLE
Switch,thermostatic
4930-00-977-1574L74C3APEPN INTERCHANGEABLE
Lubricator,airline
Norgren C a Co
4320-01-085-3163AT72675 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Deere & Company Dba Deere John Co
Cross-Reference Index
Part NumberManufacturer
300ADP PRIMARY Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
1-180-01 Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
1-132-02 Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
1-045-01 Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
1-180-02 Amada Weld Tech Inc Dba Miyachi Unitek Corp (USA)
Related Parts
5315-00-011-8001INTERCHANGEABLE
KEY,WOODRUFF
MS35756-113
5315-00-011-8002INTERCHANGEABLE
KEY,WOODRUFF
2949P11
5998-00-065-2370INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
118002
2920-00-237-0126INTERCHANGEABLE
RECTIFIER,MODULE
YJ64
6105-00-415-6434INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5905-00-436-1259INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
113-202
6605-00-551-4680INTERCHANGEABLE
SEXTANT,BUBBLE
1045-01
5930-00-583-6643INTERCHANGEABLE
SWITCH,THERMOSTATIC
4930-00-977-1574INTERCHANGEABLE
LUBRICATOR,AIRLINE
L74C3APEPN
4320-01-085-3163INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
AT72675
5905-01-141-4227INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
118-001
4940-01-154-8179INTERCHANGEABLE
MOUNT ASSEMBLY,FLO

Frequently Asked Questions

What is NSN 3439-00-081-8320?

NSN 3439-00-081-8320 is a Power Unit,resistance Heating,so, manufactured by Amada Weld Tech Inc Dba Miyachi Unitek Corp, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-081-8320?

NSN 3439-00-081-8320 has 5 cross-referenced part numbers: 300ADP (Amada Weld Tech Inc Dba Miyachi Unitek Corp), 1-180-01 (Amada Weld Tech Inc Dba Miyachi Unitek Corp), 1-132-02 (Amada Weld Tech Inc Dba Miyachi Unitek Corp), 1-045-01 (Amada Weld Tech Inc Dba Miyachi Unitek Corp), 1-180-02 (Amada Weld Tech Inc Dba Miyachi Unitek Corp).

What NSN replaces 3439-00-081-8320?

There are 12 known substitutes for 3439-00-081-8320: 5315-00-011-8001, 5315-00-011-8002, 5998-00-065-2370 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300ADP?

Key specifications for 300ADP: General Characteristics Item Description: 250/50 WATT-SECONDS;DUAL RANGE;POLARITY REVERSAL AND PULSE WIDTH SWITCHES;FIVE WELD ENERGY PUSHBUTTON SELECTORS;175 WELDS PER MINUTE AT 60 WATT SECONDS;130VAC;12 AMPS;SINGLE PHASE;60 HZ;16.0 IN. LG BY 10.0 IN. WD BY 13.0 IN. HT O/A VAC. 1 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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