【Details】3/4" NPT to AN12, the thread size of 12AN is 1-1/16-12 UNF. 12AN Male Flare to 3/4" NPT Pipe Fitting Adapter Aluminum Straight Black 2PCS. 【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.
