New In tank Check valve for air compressor 12 FPT x 12 MPT

Air inlet threads 12 female npt which measure about 2432 in diameter Outlet threads male npt which measure about 2632 in diameter these threads are the male threads that screw into the air tank Side unloader port 18 female npt threads which measure about 1032 in diameter This port is used for a unloader line some compressors do not have this if yours does not you would just plug this port 12 Male NPT x 12 Female NPT Check Valve Brass • 1/2" Female NPT and 1/2" Male NPT connections • Made from durable brass material • Maximum temperature of 400 degrees Fahrenheit • Maximum pressure rating of 450 psi • Essential for air compressor systems