PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T300Holder,electrode,welding

Lincoln Electric Holdings Inc · NSN 3439-00-255-9926 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-255-9926 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-255-9926. Primary manufacturer part number: T300.
Features
  • Holder,electrode,welding — FSC 3439
  • Operating Current in Amps: 300.000 MAXIMUM
  • Electrode Type for Which Designed: METALLIC FILLER
  • Insulation Degree: FULLY INSULATED
  • Submersibility: NONSUBMERSIBLE
  • Cooling Method: FREE AIR
  • Design Type: CLAMP
  • Operation Method: MANUAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,electrode,welding, cataloged under National Stock Number 3439-00-255-9926, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-255-9926
Primary Part NumberT300
Item NameHolder,electrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerLincoln Electric Holdings Inc
StatusACTIVE
Operating Current in Amps300.000 MAXIMUM
Electrode Type for Which DesignedMETALLIC FILLER
Insulation DegreeFULLY INSULATED
SubmersibilityNONSUBMERSIBLE
Cooling MethodFREE AIR
Design TypeCLAMP
Operation MethodMANUAL
Electrode Diameter for Which Designed0.093 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5310-00-186-0974 INTERCHANGEABLE
Washer,key
5180-00-395-8599T300 INTERCHANGEABLE
Tool Set,cockpit Ca
The Boeing Company Div Legacy Am&m
3110-00-555-5225 INTERCHANGEABLE
Bearing,ball,annular
5930-00-992-48701676917 INTERCHANGEABLE
Switch,thermostatic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7045-01-027-4424T-300 INTERCHANGEABLE
Tape,electronic Data Processing
Verbatim Corp
7045-01-092-9043 INTERCHANGEABLE
Tape,electronic Data Processing
5950-01-449-1355593-6960500 PC 7 INTERCHANGEABLE
Transformer,power
Naval Sea Systems Command
6515-01-477-9206 INTERCHANGEABLE
Calibration Analyer
4920-01-502-39983516AS2000-33 INTERCHANGEABLE
Foam Closed Cell,ai
Bae Systems Land & Armaments L.p.
Cross-Reference Index
Part NumberManufacturer
T300 PRIMARY Lincoln Electric Holdings Inc (USA)
Related Parts
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
5310-00-186-0974INTERCHANGEABLE
WASHER,KEY
5180-00-395-8599INTERCHANGEABLE
TOOL SET,COCKPIT CA
T300
3110-00-555-5225INTERCHANGEABLE
BEARING,BALL,ANNULAR
5930-00-992-4870INTERCHANGEABLE
SWITCH,THERMOSTATIC
1676917
7045-01-027-4424INTERCHANGEABLE
TAPE,ELECTRONIC DATA PROCESSING
T-300
7045-01-092-9043INTERCHANGEABLE
TAPE,ELECTRONIC DATA PROCESSING
5950-01-449-1355INTERCHANGEABLE
TRANSFORMER,POWER
593-6960500 PC 7
6515-01-477-9206INTERCHANGEABLE
CALIBRATION ANALYER
4920-01-502-3998INTERCHANGEABLE
FOAM CLOSED CELL,AI
3516AS2000-33
2925-01-530-6727INTERCHANGEABLE
PARTS KIT,IGNITION MAGNETO
6640-01-608-9062INTERCHANGEABLE
TUBE,BIOLOGICAL CULTURE SAMPLING
T300

Frequently Asked Questions

What is NSN 3439-00-255-9926?

NSN 3439-00-255-9926 is a Holder,electrode,welding, manufactured by Lincoln Electric Holdings Inc, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-255-9926?

NSN 3439-00-255-9926 has 1 cross-referenced part number: T300 (Lincoln Electric Holdings Inc).

What NSN replaces 3439-00-255-9926?

There are 12 known substitutes for 3439-00-255-9926: 3110-00-144-8668, 5310-00-186-0974, 5180-00-395-8599 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T300?

Key specifications for T300: Operating Current in Amps: 300.000 MAXIMUM; Electrode Type for Which Designed: METALLIC FILLER; Insulation Degree: FULLY INSULATED; Submersibility: NONSUBMERSIBLE. 9 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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