... designed for smooth flow, easy assembly, and longer life. O-ring seal allows 360-degree rotation, and 37-degree AN flare ... AN Swivel To AN Hose End-STRAN6 Hose End to 9 / 16''-18 Male(AN 6)AN8 Hose End to 3 / 4 ... 1 / 2''-20 Male (AN 5)AN6 Hose End to 9 / 16''-18 Male Male (AN 6)AN6 Hose End to 3 ... / 4''-16 Male (AN 8)AN8 Hose End to 9 / 16''-18 Male (AN 6)AN8 Hose End ...