PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D550-3Soldering Gun

Cooper Industries Inc Weller/cooper Tools Div · NSN 3439-00-618-6623 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-618-6623 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-618-6623. Primary manufacturer part number: D550-3.
Features
  • Soldering Gun — FSC 3439
  • Phase: SINGLE
  • Current Type: AC
  • Frequency in Hertz: 60.000 NOMINAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 SIZE
  • Handle Type: PISTOL GRIP
  • Features Provided: SPOTLIGHT AND DUAL HEAT CONTROL
  • Plug Type: 3-WIRE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Soldering Gun, cataloged under National Stock Number 3439-00-618-6623, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Cooper Industries Inc Weller/cooper Tools Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-618-6623
Primary Part NumberD550-3
Item NameSoldering Gun
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerCooper Industries Inc Weller/cooper Tools Div
StatusCANCELLED
PhaseSINGLE
Current TypeAC
Frequency in Hertz60.000 NOMINAL
Nondefinitive Spec/std Data1 TYPE AND 3 SIZE
Handle TypePISTOL GRIP
Features ProvidedSPOTLIGHT AND DUAL HEAT CONTROL
Plug Type3-WIRE
Operating Voltage in Volts115.000 NOMINAL
Tip RemovabilityREMOVABLE
Tip ShapeLOOP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3439-00-004-0915 INTERCHANGEABLE
Soldering Gun
3439-00-204-3859 INTERCHANGEABLE
Soldering Iron,electric
3439-00-542-0396 INTERCHANGEABLE
Soldering Gun
3439-00-542-0446 INTERCHANGEABLE
Soldering Gun
3439-00-618-6624 INTERCHANGEABLE
Soldering Gun
3439-00-640-227910106117-2 INTERCHANGEABLE
Tip,electric Soldering Gun
Us Army Aviation and Missile Command
3439-00-729-6770 INTERCHANGEABLE
Soldering Gun
3439-00-982-1738 INTERCHANGEABLE
Soldering Gun
Cross-Reference Index
Part NumberManufacturer
D550-3 Cooper Industries Inc Weller/cooper Tools Div (USA)
W-S-564 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59307 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
WS564TYPE1CLASS Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59307-1A1B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
D550-3 Apex Tool Group (USA)
Related Parts
3439-00-004-0915INTERCHANGEABLE
SOLDERING GUN
3439-00-204-3859INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
3439-00-542-0396INTERCHANGEABLE
SOLDERING GUN
3439-00-542-0446INTERCHANGEABLE
SOLDERING GUN
3439-00-618-6624INTERCHANGEABLE
SOLDERING GUN
3439-00-640-2279INTERCHANGEABLE
TIP,ELECTRIC SOLDERING GUN
10106117-2
3439-00-729-6770INTERCHANGEABLE
SOLDERING GUN
3439-00-982-1738INTERCHANGEABLE
SOLDERING GUN

Frequently Asked Questions

What is NSN 3439-00-618-6623?

NSN 3439-00-618-6623 is a Soldering Gun, manufactured by Cooper Industries Inc Weller/cooper Tools Div, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-618-6623?

NSN 3439-00-618-6623 has 6 cross-referenced part numbers: D550-3 (Cooper Industries Inc Weller/cooper Tools Div), W-S-564 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59307 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), WS564TYPE1CLASS (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59307-1A1B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 3439-00-618-6623?

There are 8 known substitutes for 3439-00-618-6623: 3439-00-004-0915, 3439-00-204-3859, 3439-00-542-0396 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D550-3?

Key specifications for D550-3: Phase: SINGLE; Overall Height: 7.000 INCHES NOMINAL IN; Current Type: AC; Overall Length: 11.000 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-618-6623 still in active supply?

NSN 3439-00-618-6623 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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