PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ETMTip,electric Soldering Iron

Apex Tool Group, Llc · NSN 3439-01-256-4623 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-256-4623 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-256-4623. Primary manufacturer part number: ETM.
Features
  • Tip,electric Soldering Iron — FSC 3439
  • Body Style: ROUND
  • Integral Heating Element: NOT INCLUDED
  • Mounting End Diameter: 0.125 INCHES NOMINAL IN
  • Mounting Method: PRESS FIT
  • Tip Type: STRAIGHT
  • Material: COPPER
  • Tip Width: 0.750 INCHES NOMINAL IN
Applications
  • Applications requiring Copper construction
General Description

The Tip,electric Soldering Iron, cataloged under National Stock Number 3439-01-256-4623, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Apex Tool Group, Llc. Government technical data includes 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-256-4623
Primary Part NumberETM
Item NameTip,electric Soldering Iron
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerApex Tool Group, Llc
StatusACTIVE
Body StyleROUND
Integral Heating ElementNOT INCLUDED
Mounting End Diameter0.125 INCHES NOMINAL IN
Mounting MethodPRESS FIT
Tip TypeSTRAIGHT
MaterialCOPPER
Tip Width0.750 INCHES NOMINAL IN
Tiplet AccommodationNOT INCLUDED
Surface TreatmentIRON AND NICKEL AND CHROMIUM
Tip End StyleCONICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-073-0013E49 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3110-00-156-148330TP106 INTERCHANGEABLE
Bearing,roller,thrust
Timken Co Div the Timken Company
4320-00-369-0055E49 INTERCHANGEABLE
Liner,throat
Circor Naval Solutions Llc Dba Warren Pumps
5340-00-717-9428 INTERCHANGEABLE
Spring
5315-01-044-3854 INTERCHANGEABLE
Pin,straight,headless
6610-01-085-6947FM-1161 INTERCHANGEABLE
Meter Mechanism,lat
Ideal Precision Meter Co Dba Ideal Precision Meter Co
5360-01-274-5831 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
ETM Apex Tool Group, Llc (USA)
ETM Cooper Industries Inc Weller/cooper Tools Div (USA)
E49 Vanier Manufacturing Inc (USA)
Related Parts
5999-00-073-0013INTERCHANGEABLE
HEATER,THERMAL RELEASE
E49
3110-00-156-1483INTERCHANGEABLE
BEARING,ROLLER,THRUST
30TP106
4320-00-369-0055INTERCHANGEABLE
LINER,THROAT
E49
5340-00-717-9428INTERCHANGEABLE
SPRING
5315-01-044-3854INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6610-01-085-6947INTERCHANGEABLE
METER MECHANISM,LAT
FM-1161
5360-01-274-5831INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 3439-01-256-4623?

NSN 3439-01-256-4623 is a Tip,electric Soldering Iron, manufactured by Apex Tool Group, Llc, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-256-4623?

NSN 3439-01-256-4623 has 3 cross-referenced part numbers: ETM (Apex Tool Group, Llc), ETM (Cooper Industries Inc Weller/cooper Tools Div), E49 (Vanier Manufacturing Inc).

What NSN replaces 3439-01-256-4623?

There are 7 known substitutes for 3439-01-256-4623: 5999-00-073-0013, 3110-00-156-1483, 4320-00-369-0055 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ETM?

Key specifications for ETM: Body Style: ROUND; Integral Heating Element: NOT INCLUDED; Mounting End Diameter: 0.125 INCHES NOMINAL IN; Mounting Method: PRESS FIT. 10 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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