PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3112-S3-40WSoldering Iron,electric

Assembly Technologies International Inc. · NSN 3439-00-223-2525 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-223-2525 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-223-2525. Primary manufacturer part number: 3112-S3-40W.
Features
  • Soldering Iron,electric — FSC 3439
  • Current Type: AC
  • Operating Voltage in Volts: 118.000 NOMINAL
  • Tip Shape: PYRAMID
  • Tip Quantity: 1
  • Tip Size: 5/16 IN. DIA IN
  • Wattage Rating in Watts: 40.000 NOMINAL
  • Mounting Method: SETSCREW TIP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Soldering Iron,electric, cataloged under National Stock Number 3439-00-223-2525, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Assembly Technologies International Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-223-2525
Primary Part Number3112-S3-40W
Item NameSoldering Iron,electric
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAssembly Technologies International Inc.
StatusCANCELLED
Current TypeAC
Operating Voltage in Volts118.000 NOMINAL
Tip ShapePYRAMID
Tip Quantity1
Tip Size5/16 IN. DIA IN
Wattage Rating in Watts40.000 NOMINAL
Mounting MethodSETSCREW TIP
Nondefinitive Spec/std Data2 CLASS AND 3 TYPE AND 1 ASSEMBLY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3439-00-204-3855 INTERCHANGEABLE
Soldering Pencil,electric
3439-00-204-3856 INTERCHANGEABLE
Soldering Iron,electric
3439-00-224-4670 INTERCHANGEABLE
Soldering Iron,electric
3439-00-240-5641 INTERCHANGEABLE
Soldering Iron,electric
3439-00-346-7538 INTERCHANGEABLE
Soldering Iron,electric
3439-00-369-4886T124 INTERCHANGEABLE
Tip,electric Soldering Iron
Hexacon Electric Company
3439-00-851-7021 INTERCHANGEABLE
Soldering Iron,electric
3439-00-952-9094 INTERCHANGEABLE
Soldering Iron,electric
3439-00-965-0090 INTERCHANGEABLE
Soldering Iron,electric
3439-01-183-4632AA59284-IID INTERCHANGEABLE
Soldering Station
Dla Aviation Engineering Div Department of Defense
Cross-Reference Index
Part NumberManufacturer
3112-S3-40W Assembly Technologies International Inc. (USA)
WS570 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59284 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3439-00-204-3855INTERCHANGEABLE
SOLDERING PENCIL,ELECTRIC
3439-00-204-3856INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-224-4670INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-240-5641INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-346-7538INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-369-4886INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
T124
3439-00-851-7021INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-952-9094INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-965-0090INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-01-183-4632INTERCHANGEABLE
SOLDERING STATION
AA59284-IID

Frequently Asked Questions

What is NSN 3439-00-223-2525?

NSN 3439-00-223-2525 is a Soldering Iron,electric, manufactured by Assembly Technologies International Inc., classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-223-2525?

NSN 3439-00-223-2525 has 3 cross-referenced part numbers: 3112-S3-40W (Assembly Technologies International Inc.), WS570 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59284 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 3439-00-223-2525?

There are 10 known substitutes for 3439-00-223-2525: 3439-00-204-3855, 3439-00-204-3856, 3439-00-224-4670 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3112-S3-40W?

Key specifications for 3112-S3-40W: Current Type: AC; Weight: 0.250 POUNDS NOMINAL LBS; Operating Voltage in Volts: 118.000 NOMINAL; Tip Shape: PYRAMID. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-223-2525 still in active supply?

NSN 3439-00-223-2525 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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