6410-06-08 Hydraulic Fitting 3/8" Male O-Ring Boss X 1/2" Female O-Ring Boss

Brand New Carbon Steel 6410-06-08 HYDRAULIC ADAPTER 3/8" MALE BOSS X 1/2" FEMALE BOSS (Tube O.D. / Hose I.D. Size) THREAD SIZES FOR 6410-06-08 HYDRAULIC ADAPTER 9/16"-18 MALE BOSS X 3/4"-16 FEMALE BOSS To measure threads, Calipers work very well.