dowty seals, bonded seals, o rings, oil seals, backup rings,,etc. we have the more different type ... seals, bonded seals, o rings, oil seals, backup rings, rod seals, piston seals,copper washer,,,in different type and sizes most hydraulic cylinder sealing components .For ... ” M18M242” M20M26 M22M28 M27M30 M30 Self-center slip dowty seals M33 M36-52 rubber bonded seals,outter bonded seal, bonded washer