1 PL Dowty/Ultra Pattern Gear Pumps - Front/ Single Pump.Anti-Clockwise Rotation.Displacement: 044cc/ rev ( 044 Litres at 1000 rpm).11/16" SAE, 10 Tooth Spline, actual diameter: 17.04 mm, nominal diameter: 11/16” [17.4625mm] 35mm stand out from the face of the flange.SAE A 2 bolt mounting flange 4.1/4" (106.38mm) slotted holes with a pilot 3.1/4" (82.55mm) diameter x 7.9mm high.BSP threaded port Inlet: ¾” BSPF Outlet: ¾” BSPF.Modular front/ Intermediate section.Nitrile Shaft Seal