Eaton Aeroquip 202702-6-6S Steel Flared Tube Fitting, Adapter, 3/8" Male JIC x 3/8" O-Ring Boss Male Joint Industry Council (JIC) male adapter for connecting a tube to an O-ring boss female Male Joint Industry Council (JIC) threads on one end and male O-ring boss threads on the other end for connecting tubes with different ends Steel for weldability and greater resistance to rust than iron Buna-nitrile O-ring seal for strength and compatibility with a variety of fluids such as petroleum and hydrocarbons Military standard MIL-F-18866 compliant, Society of Automotive Engineers standard SAE J514 compliant for 37-degree JIC flare type tubing