Description
Product Overview
The Radnor 64003979 is a precision‑engineered brass hose adapter designed to bridge the gap between male and female connections in acetylene and fuel gas systems. Crafted from high‑grade brass, this adapter offers excellent corrosion resistance and long‑term durability, making it suitable for harsh industrial environments. Its left‑hand male thread mates seamlessly with a right‑hand female NPT thread, delivering a secure, leak‑free seal that meets rigorous safety standards. The adapter measures approximately 4.55 pounds in weight, providing a solid feel without being overly cumbersome. With a part number RAD64003979 and UPC 725177807305, it is easily identifiable for inventory management and replacement planning. The product is part of Radnor’s extensive line of tube adapter nuts, ranking #18 in its category, which underscores its popularity among professionals who demand reliable performance.
![[Product front view showing all components]](https://www.giantstore.store/wp-content/uploads/2026/07/22b4eaa39317494daa0417f65cb7f41e.jpg)
Usage
This adapter excels in a variety of applications where acetylene or fuel gas must be transferred between hoses, torches, regulators, and other equipment. It is commonly used in welding shops, metal fabrication facilities, and automotive repair bays where precise gas flow control is essential. The left‑hand thread design prevents accidental cross‑threading with standard right‑hand fittings, adding an extra layer of safety for technicians. Whether you are setting up a new welding rig, maintaining a gas distribution network, or performing routine equipment inspections, the Radnor 64003979 adapter provides a dependable connection that minimizes downtime and reduces the risk of gas leaks. Its compact size allows for easy installation in confined spaces, and the brass construction ensures compatibility with a wide range of hose materials, including rubber and synthetic blends.
Why Choose Us
Choosing the Radnor 64003979 means selecting a product backed by decades of industry expertise and a commitment to quality. Radnor manufactures each adapter in a controlled environment, employing strict tolerances to guarantee thread accuracy and consistent performance across every unit. The brass material is sourced from reputable suppliers, ensuring uniform composition and resistance to wear. In addition to the product’s inherent durability, Radnor offers responsive customer support and a straightforward warranty process, giving you confidence that any concerns will be addressed promptly. Our distribution network ensures fast shipping, and the adapter’s compatibility with standard NPT fittings means you can integrate it into existing systems without the need for additional adapters or modifications.
Key Features
- Robust brass construction resists corrosion and extends service life
- Left‑hand male thread prevents accidental cross‑threading with standard fittings
- NPT thread design ensures a tight, leak‑free seal for safe gas handling
- Compact weight of 4.55 lb makes installation easy in tight spaces
- Dedicated Radnor customer support provides quick assistance and warranty coverage
FAQ
What size threads does this adapter use?
The adapter features a left‑hand male thread on one end and a right‑hand female NPT thread on the other, allowing it to connect standard NPT‑rated hoses and equipment.
Is this adapter compatible with both acetylene and propane?
Yes, the adapter is designed for use with acetylene, propane, and other common fuel gases, making it versatile for a range of welding and cutting applications.
Can I use this adapter in outdoor environments?
Absolutely. The brass material provides excellent resistance to moisture and temperature fluctuations, so the adapter performs reliably in outdoor or marine settings.
How do I ensure a leak‑free installation?
Apply a suitable thread sealant or Teflon tape to the NPT threads before tightening. Follow the recommended torque specifications to avoid over‑tightening, which could damage the threads.
What is the warranty period for this product?
Radnor offers a one‑year limited warranty covering manufacturing defects. Contact our support team with your purchase details for assistance.







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