The Granit 81528586 is a high-quality straight hydraulic adapter designed for reliable connections in various hydraulic systems. It features an 11/16-16 UN male ORFS (O-Ring Face Seal) thread on one end and a 9/16-18 UNF female JIC (Joint Industry Council) 37° flare thread on the other, ensuring a secure and leak-free connection. Constructed from durable steel with a zinc-plated finish, this adapter offers excellent corrosion resistance and is suitable for a wide range of agricultural, construction, and industrial hydraulic applications.