8AN PTFE Fitting 90 Degree 1Pc. Thread Size of 8AN PTFE Fitting is 3/4-16UNF; Degree: 90°. Work with PTFE nylon or stainless braided hoses. Not compatible with CPE hoses/ rubber hoses. The AN side of the flare is sealed by a 37 degree angle and the NPT thread side is sealed by a 60 degree tapered thread.