The 5 Steel Inv. Flare Plug Str. by Fittings Unlimited Inc is an essential component for sealing and capping off pipe ends in hydraulic systems. Made from high-strength steel, this flare plug ensures durability and resistance to high pressures. With a size specification of 5, it fits standard flare fittings, providing a secure and leak-proof seal. This plug is ideal for applications requiring reliable closure, and its precision threading allows for easy installation. Designed to meet industry standards, it is suitable for various industrial and commercial applications.