6405-05-04 Hydraulic Fitting 5/16" Male O-Ring Boss X 1/4" Female NPT Pipe C3269

Brand New Carbon Steel 6405-05-04 HYDRAULIC FITTING 5/16" MALE BOSS X 1/4" FEMALE PIPE (Tube O.D. / Hose I.D. Size) THREAD SIZES FOR 6405-05-04 HYDRAULIC FITTING 1/2"-20 MALE BOSS X 1/4" FEMALE PIPE To measure threads, Calipers work very well.