Sloan OEM part. Replacement 3/4" x 2-1/2" spud coupling assembly for Royal, Series 900, Gem-2, Naval, Dolphin, Optima Royal, G2, ECOS, and SOLIS type urinal flushometers. This part sits at bottom of flushometer and anchors it to the urinal body. Includes flange, coupling nut, slip joint gasket, and friction ring.
aka: F-5-AW