Thread Size: The thread size of 6an is 9/16-18 UNF,tube sleeve used to 3/8'' OD stainless steel tube.
Material: Made of aluminum alloy 6061-T6, the working temperature range is from -65℉ to 252℉.
Function: The nut is used for the conversion of the alloy pipe and the fitting,the sleeve is used to fix the pipe and prevent it from moving, and the sleeve is sealed with a 37 degree and an outer flaring of the pipe.
Installation：Need to install the tube nut and sleeve on the tubing first.Then use a 37° flaring tool to flare the end of the coiled aluminum / stainless steel tube.Professional installation recommended.
Application: Widely used in engine modification, refueling system, fuel system, brake system, cooling system.
