Brennan 6400-20-20-O Steel JIC Flared Tube Fitting, Straight, 1-1/4" Tube OD JIC Male x 1-5/8-12 Male Straight Thread O-Ring Boss Adapter for connecting pipes or fittings of different types Fitting has a JIC flared male connector on one end and an O-ring boss on the other Made of steel for greater rust resistance than iron Operating temperature ranges from -63 to 400 degrees F Meets SAE standard J514 for quality assurance