Description Nitrile O-ring used in Sherwood service and impeller kits for G2602-01 and G2605-01 raw water pumps. Cross References/Supersedes: Not specified Compatible with Sherwood G2602-01 and G2605-01 raw water pump assemblies. Used as a sealing O-ring in Sherwood service and impeller kits for these pump models. Nitrile construction suitable for demanding marine raw water pump environments.