196-4759, RS PRO, RS PRO Nitrile Rubber O-Ring O-Ring, 63.22mm Bore, 66.78mm Outer Diameter, Brand RS Pro, Type O-Ring, Material Nitrile Rubber, Inside Diameter 63.22mm RS PRO Nitrile Rubber O-Ring O-Ring, 63.22mm Bore, 66.78mm Outer Diameter