The PUC-5/16, 5/16 OD UNION STRT, is a push to connect fitting, designed to provide a reliable and efficient connection for your pneumatic systems. This fitting allows for quick and secure tubing connections without the need for tools, thanks to its easy-to-use push-to-connect mechanism. Made from durable Nickel Plated Brass, it offers excellent corrosion resistance and long-lasting performance. This fitting ensures a leak-free seal, contributing to optimal system performance and is suitable for a wide range of pneumatic applications, including air tools, robotics, automation equipment, and general industrial use. To use, simply insert the tubing into the fitting until it locks in place; to release, press the release sleeve against the fitting and pull out the tubing. Please ensure tubing is cut square and free of debris for a proper seal.