Image Image Oxygen Coupling Right Hand Thread x Hose Shank Jump to Section Product Options Related Products Product Options Part Number Hose ID Female Thread Female Thread Size Material 1520306K 3/16" UNF 3/8"-24 Brass 1520309K 3/16" UNF 9/16"-18 Brass 1520409K 1/4" UNF 9/16"-18 Brass 1520509K 5/16" UNF 9/16"-18 Brass 1520609K 3/8" UNF 9/16"-18 Brass Related Products Image Image Acetylene Coupling Left Hand Thread x Hose Shank Image Oxy-Acetylene Adapter Right Hand Thread x NPTF Image Oxy-Acetylene Ferrule Image Oxy-Acetylene Spud Right Hand Thread