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Miller® MIG Gun Liner

Airgas Part #:MIL192139

Manufacturer Part #:192139


$NA.NA /NA
Each

Item Details

  • The Miller 192139 is a monocoil wire jump liner and gun neck conduit designed for high-amperage Gas Metal Arc Welding (GMAW/MIG) and Flux-Cored Arc Welding (FCAW) systems. It provides a low-friction path for large-diameter filler metals within the torch neck, functioning as a sacrificial consumable to maintain wire feed consistency in automated and manual welding platforms.

Features

  • Monocoil Spring Profile: Single-wire flat-wound design provides a rigid interior wall to resist radial pressure from thick filler wires.
  • High-Tensile Steel Construction: Cold-wound material maintains structural memory to prevent kinking or ovalizing in torch necks.
  • Anti-Corrosion Barrier: Chemical passivation treatment prevents surface oxidation and rust contamination in the gas nozzle.
  • Pre-Coded Length: Factory-cut to 12.750 inches to eliminate the need for field trimming and prevent burr-related wire shaving.
  • Thermal Deflection Stability: Maintains dimensional integrity under high radiant heat from 400A-600A arcs.
  • Low-Friction Path: Reduces internal friction to prevent bird-nesting at the drive rolls and burn-backs at the contact tip.

Specifications

  • Manufacturer: Miller Electric Mfg. LLC
  • Part Number: 192139
  • Component Classification: Short-Run Jump Liner / Gun Neck Conduit Liner
  • Overall Length: 12.750 inches (323.85 mm)
  • Minimum Wire Capacity: 1/16 inch (1.6 mm)
  • Maximum Wire Capacity: 1/8 inch (3.2 mm)
  • Structural Geometry: Flat-wound monocoil spring profile
  • Material: High-tensile carbon steel wire
  • Surface Treatment: Zinc-galvanized or phosphate passivation
  • Amperage Rating: 400A to 600A continuous duty
  • End Finish: Factory square-cut and polished terminal facets

Applications

  • Miller OBT-600 Torches
  • Miller OBT-1200 Torches
  • Heavy-duty air-cooled and water-cooled gun neck subassemblies
  • Heavy Structural Steel Fabrication (I-beams, columns, infrastructure plates)
  • Heavy Equipment Manufacturing (mining trucks, earthmovers, excavator buckets)
  • Shipbuilding and Marine Construction (hull plating and structural ribbing)
  • Automated Hardfacing Operations (industrial rollers and wear plates)
  • High-deposition Flux-Cored Arc Welding (FCAW)