Brennan 2404-06-06 Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 3/8-18 NPTF Male Adapter for connecting pipes or fittings of different types Fitting has a JIC flared male connector on one end and an NPTF male connector on the other Made of steel for greater rust resistance than iron Working pressure of up to 5000 psi Operating temperature ranges from -63 to 400 F