Product Information Material: Brass Female Thread: UNF Select a Product Part NumberFemale Thread SizeTube ODHose ID 1440306K3/8"-243/16"3/16" 1440510K5/8"-183/8"5/16" 1441217K1-1/16"-143/4"3/4" 1440610K5/8"-183/8"3/8" 1440812K3/4"-161/2"1/2" 1440410K5/8"-183/8"1/4"