2 x 10AN Male Flare to 1/2" NPT Adapter. Size: 1/2" NPT to AN10, the thread size of 10AN is 7/8-14 UNF, Degree: 45 degree elbow. Sealing: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.