196-4742, RS PRO, RS PRO Nitrile Rubber O-Ring O-Ring, 20.35mm Bore, 23.91mm Outer Diameter, Brand RS Pro, Type O-Ring, Material Nitrile Rubber, Inside Diameter 20.35mm RS PRO Nitrile Rubber O-Ring O-Ring, 20.35mm Bore, 23.91mm Outer Diameter