EVIL ENERGY 6AN Female to 3/8" NPT Pipe Swivel 90 Degree 3/8NPT, Black. Size: The thread size of NPT is 3/8-18 NPT, and the thread size of AN6 is 9/16-18 UNF. Sealing: The AN side is sealed by a 37-degree angle, and the NPT side is sealed with 60-degree tapered threads.
