USP 64695 RV Union Fitting 1/2″ MPT x 1/2″ MPTThis is a union fitting used to connect two FPT lines. This fitting is used to connect an RV 1/2″ female pipe thread (FPT) fitting to another 1/2″ FPT fitting. Made out of a durable nylon plastic for it’s light weight and corrosion resistant properties.The sizes listed do not correspond with their actual sizes. They represent the nominal size of the plumbing component they will accommodate. Example: 1/2″ MPT fitting will fit a 1/2″ FPT fitting, but the fitting will not measure at 1/2″.Additional InfoEnd 1 Size / Type1/2″ MPTEnd 2 Size / Type1/2″ MPTFitting AngleStraightMaterialPlastic