Size: 4AN flare to 1/4" NPT, the thread size of 4AN is 7/16-20 UNF, Degree: 90 degree elbow. Size: 4AN to 1/4 NPT. 2 x 4AN to 1/4" NPT Male 90 Degree Aluminum Fitting Adapter. 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.
