The thread size is3/4-16 UNF (8AN) ;. The thread size is7/16-20 UNF (4AN) ;. The thread size is7/8-14 UNF (10AN) ;. The thread size is9/16-18 UNF (6AN) ;. 【Features】Straight female union fitting in industry standard AN / JIC flared 37-degree sealing surface; Double-swivel seal for easy installation and re-clocking of lines; Easy to assemble.
