Uflex - T-Fitting Assembly - ORF Hose - 71861H T-Fitting Assembly - ORF Hose. Typical Application: Used to replace the boss fitting in new outboard cylinders when trying to connect to 'O' ring face seal hoses Specifications: ORB, Size #6 to 3/8 COMP FITTING Cylinder Side = 9/16 - 18 UNF 2A Hose Side = 9/16 - 24 UNEF 2A Box Dimensions - 1"H x 2"W x 4"L Weight - 0.2 lbs UPC - 702755044390