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CGA320-1P - Miller CGA 320 Inlet Nut Plated Finish

Packaging: 1 per ea
$52.58/ea $32.13/1 per ea only $32.13/eaSave 39%

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OVERVIEW

Essential Hardware for MIG Welding Setups

For welders relying on Carbon Dioxide (CO2) as a shielding gas, the Miller CGA320-1P Nut is an indispensable piece of hardware. This plated nut is specifically designed for the CGA 320 connection standard, which is the universal requirement for CO2 cylinders in the welding industry. A secure connection at the cylinder is the first step in achieving a stable arc and high-quality weld. If your regulator connection is loose or the threads are stripped, you risk introducing atmospheric contamination into your shielding gas, leading to porosity and poor weld bead appearance. This Miller nut ensures a tight seal, helping you maintain the purity of your shielding gas flow.

Built to withstand the rigors of the welding shop, the CGA320-1P features a durable plated construction. Welding environments are tough on equipment, with constant movement, heat, and potential impact. The plating not only improves the aesthetic of the fitting but, more importantly, provides essential protection against corrosion and galling. This ensures that the nut remains easy to tighten and loosen over its service life, even after repeated cylinder changes. A seized or corroded nut can cause unnecessary downtime and frustration; investing in quality plated fittings helps keep your operations running smoothly.

This product is a genuine Miller OEM part, ensuring exact compatibility with your Miller regulators and other standard gas equipment. While it is a small component, its role in the safety and efficiency of your welding setup cannot be overstated. It is always recommended to keep spare inlet nuts and nipples on hand to prevent work stoppages during equipment maintenance. Whether you are a professional fabricator or a serious hobbyist, choosing the Miller CGA320-1P Nut ensures that your gas regulation equipment is assembled with components that meet the highest industry standards for safety and quality.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Connection Type:CGA 320
Gas Service:Carbon Dioxide (CO2)
Finish:Plated
Part Type:Inlet Nut

INCLUDED

  • (1) CGA 320 Nut, Plated

APPLICATIONS

  • MIG (GMAW) Welding with CO2 shielding gas
  • Flux-Cored (FCAW) Welding requiring CO2
  • Industrial gas regulator connections
  • Beverage carbonation gas systems
  • Laboratory gas delivery setups
  • Replacement of worn or stripped regulator nuts

FAQ

The CGA 320 connection standard is specifically designed for Carbon Dioxide (CO2) gas cylinders.

No, this product is the nut only. The nipple or tailpiece is typically sold separately or reused if in good condition.

The plated finish provides corrosion resistance, protecting the nut from rust and wear in industrial or humid environments.

Yes, this is a genuine Miller Electric OEM replacement part, ensuring high quality and perfect fitment.

Yes, CGA 320 connections typically require a flat washer (usually fiber or nylon) to create a proper seal between the nipple and the cylinder valve.

No, Argon uses CGA 580 and Oxygen uses CGA 540. CGA 320 is exclusively for CO2 and will not fit other cylinder valves.

A standard large adjustable wrench or a dedicated cylinder wrench is recommended to tighten the nut securely without damaging the plating.

Yes, as long as the regulator uses a standard CGA 320 nipple/tailpiece, this nut should be compatible regardless of the regulator brand.