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The PRO-SOURCE 401-6-62 is a replacement gas nozzle designed for MIG welding guns. It channels shielding gas around the weld pool to protect the arc from atmospheric contamination, which is critical for producing clean, sound welds. The nozzle accepts wire with a maximum outside diameter of 5/8 inch and a minimum outside diameter of 0.0300 inch, covering a wide range of common MIG wire gauges. At 0.252 pounds and compact overall dimensions of approximately 2.88 inches in length with a 1.06-inch profile, it is a direct-swap consumable that welders and fabricators replace as part of routine gun maintenance.
This gas nozzle is suited for MIG welding applications in fabrication shops, maintenance and repair operations, and light industrial environments. It is used wherever consistent shielding gas coverage is required during wire-feed welding. Technicians and welders performing routine consumable replacement on compatible MIG guns will find the 401-6-62 a practical stock item for keeping equipment running without interruption.
Designed as an OEM-style replacement gas nozzle for compatible MIG welding guns that accept this nozzle form factor and wire diameter range. Verify gun manufacturer specifications before ordering.
Gas nozzle replacement is a routine consumable service performed by welders and fabrication technicians. Always disconnect the welding gun from the power source and allow the gun to cool completely before removing a spent nozzle. Thread or press the nozzle into place per the gun manufacturer instructions, ensuring a secure fit to prevent shielding gas leaks that could compromise weld quality. Inspect the contact tip and liner at the same time, as these consumables typically wear on a similar schedule.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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