1/2" Short Flare Nut 14FSX-08

A. The Brass NS408 1/2-inch Short Flare Nut is designed to create a secure flare connection in compatible fuel oil, HVAC, refrigeration, and fluid transfer systems. It helps provide a dependable mechanical seal when installed with properly flared tubing and compatible flare fittings.

A. The 1/4 FS designation identifies the flare connection size, while the 08 thread specification identifies the compatible flare fitting. Always verify the tubing size and fitting requirements before installation to ensure proper compatibility and sealing performance.

A. The Brass NS408 Short Flare Nut is commonly used in fuel oil systems, HVAC equipment, refrigeration systems, heating installations, and other compatible tubing applications requiring dependable flare connections. Proper installation helps support long-lasting, leak-resistant performance.

A. Yes. The Brass NS408 Short Flare Nut is suitable for HVAC technicians, fuel oil professionals, refrigeration mechanics, plumbers, and experienced DIY users familiar with flare fitting installation. Proper tubing preparation and flare formation are essential for achieving a dependable seal.

A. The Brass NS408 Short Flare Nut is manufactured from durable brass that provides excellent corrosion resistance and dependable mechanical strength. When properly installed, it delivers reliable long-term performance in compatible heating, refrigeration, and fuel system applications.

A. When installed with compatible flared tubing and flare fittings, the Brass NS408 Short Flare Nut helps create a secure mechanical connection that minimizes leaks and supports dependable system performance. Correct installation contributes to reliable long-term operation.

A. The Brass NS408 is commonly used with compatible copper tubing, flare fittings, flare unions, adapters, valves, fuel oil components, refrigeration tubing, and HVAC equipment. Using compatible flare components helps ensure proper fit and dependable sealing performance.

A. Yes. The Brass NS408 installs using standard flare fitting procedures. Properly cutting, deburring, and flaring the tubing before tightening the flare nut helps create a secure connection without damaging the tubing or flare seat.

A. Unlike a compression fitting that seals using a ferrule, the Brass NS408 Short Flare Nut secures a flared tubing end against a matching flare seat. Properly installed flare fittings are commonly preferred in fuel oil and refrigeration applications because they provide a durable mechanical seal.

A. Rural Energy supplies dependable heating, HVAC, plumbing, and fuel oil components for residential, commercial, and remote installations. The Brass NS408 Short Flare Nut delivers reliable flare connection performance backed by knowledgeable customer support and quality products selected for demanding mechanical system applications.