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0983-0003 - Victor CGA 350 Replacement Brass Nut for Hydrogen and Methane

Packaging: pack of 1
$37.05/EA $36.53/pack of 1 only $36.53/EASave 1%

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OVERVIEW

Reliable Connections for Your Gas Equipment

When you are out in the shop or on the job site, the last thing you need is a worn-out fitting slowing you down. The Victor 0983-0003 Brass Nut is the genuine replacement part you need to keep your gas regulators and manifold systems in top working condition. Designed for the CGA 350 connection standard, this nut is the go-to fitting for working with Hydrogen, Methane, and Natural Gas. Don't settle for generic knock-offs that might strip or fail under pressure; stick with Victor for parts that fit right the first time.

Safety is built into the design of this nut. It features left-hand threads, which means you turn it counter-clockwise to tighten. This isn't just a quirk; it's a safety standard to make sure you never accidentally hook up a fuel gas line to an oxygen cylinder. The hex nut is robust and easy to grip with your standard shop wrench, allowing you to get a secure, tight fit without rounding off the edges. The solid brass construction is tough enough to handle the daily grind of cylinder change-outs and equipment setups without cracking or deforming.

Over time, the threads on your regulator nuts can get banged up, cross-threaded, or worn down, leading to dangerous leaks. A leaky connection isn't just a waste of gas; it's a serious safety hazard, especially when dealing with flammable gases like Hydrogen or Methane. Swapping out a damaged nut with the Victor 0983-0003 is a quick and inexpensive fix that restores the integrity of your equipment. It is designed to work seamlessly with your existing Victor regulators and pigtails that use the CGA 350 inlet.

Whether you are building a new manifold system or just refreshing your old regulator, having a spare Victor 0983-0003 in your toolbox is a smart move. It ensures you are never stuck waiting on a small part to finish a big job. Remember, this is the nut only—make sure you have the matching nipple if you are building a new assembly. Keep your flame steady and your shop safe with high-quality brass fittings that you can trust.

Additional Information
Brand:Victor
Packaging Description:pack of 1
Item:Accessory
Material:Brass
Connection Type:CGA 350
Thread Direction:Left-Hand (LH)
Gas Service:Hydrogen, Methane, Natural Gas, Carbon Monoxide
Part Number:0983-0003

INCLUDED

  • (1) Brass Nut, CGA 350

APPLICATIONS

  • Gas Regulator Inlets
  • Manifold Pigtail Assemblies
  • Hydrogen Gas Systems
  • Methane and Natural Gas Supply Lines
  • Laboratory Gas Distribution
  • Industrial Gas Cylinder Connections

FAQ

CGA 350 is the standard connection for Hydrogen, Methane, Natural Gas, Carbon Monoxide, and Ethylene.

This nut features Left-Hand (LH) threads, which is standard for fuel gas connections to prevent cross-connection with oxidizers.

The thread specification is 0.825"-14 NGO-LH-EXT.

No, this SKU (0983-0003) is for the brass nut only. The nipple must be purchased separately or reused if in good condition.

Check the valve on your gas cylinder. If it is stamped with 'CGA 350' or if you are using Hydrogen/Methane, this is likely the correct nut. Always verify against your regulator's manual.

The notch or groove on the hex of the nut is a visual indicator used in the industry to signify that the fitting has left-hand threads.

No. Oxygen cylinders use CGA 540 connections which have right-hand threads. This CGA 350 nut will not fit and should never be forced.

It is machined from solid brass, which is the industry standard for these fittings due to its durability and non-sparking properties.
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