[Size] AN12 to 1/2" pipe, the thread size of 12AN is 1-1/16-12 UNF. 2 x 12AN Male Flare to 1/2" NPT Adapter Fitting. Size: 12AN to 1/2 NPT. [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.
