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Tweco® 1.955" 16S/16RS Series Gas Diffuser


Airgas Part #:TWE1540-1136

Manufacturer Part #:15401136

$18.17 /Each
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$90.85 Pack 5 Each / Pack
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  • RADNOR® 1.955" 16S Style Gas Diffuser (5 Per Package)

    Airgas Part #:RAD64002732

    Manufacturer Part #:64002732

    $16.39 /Each

Item Details

  • Tweco® 16RS/16S Series Heavy Duty Brass Gas Diffuser is perfect for use with slip-on nozzle assemblies with 450 A Tweco® Spray Master® MIG gun series as well as eliminator front-end consumables. Gas diffuser has magnificent electrical properties making it ideal for use in medium to heavy duty standard welding application up to 450 A. 1.955" Gas diffuser with 9/16"-18 UNC-2A thread size has six 0.094" gas holes. It features part number rolled stamped on the external surface and overall length for easy identification. Gas diffuser is made from 360-brass alloy bar stock offers consistent dimensional stability. It has a proper threaded size conductor tube to be used with MIG guns. It features a metal flat spring that comes with the OD of the gas diffuser to permit the nozzle assemblies to slide over and that accommodate the nozzle in place during the welding process. Gas diffuser features a conduit set screw that can accommodate the conduit liner in place. It features a silicon O-ring to provide secure sealing against the nozzle assembly. Gas diffuser is sold as 5 per pack.


  • Easy identification - part no rolled stamped on the outside surface
  • Machined from 360 brass alloy bar stock to ensure consistent dimensional stability
  • A metal flat spring is attach to the OD of the gas diffuser to allow the nozzle assemblies to slide over holding the nozzle in place during the welding process
  • Gas diffuser has a silicon o-ring to seal against the nozzle assembly
  • Designed to be used with Slip-on style nozzle assemblies


  • Used in medium to heavy duty welding application up to 450 Amp
  • Use with slip-on nozzle assemblies

Product Attributes

Consumables Type

» Gas Diffuser

MIG Gun Model

» Tweco®
» Tweco® No. 5


» 1.955"


» 16S
» 16RS