A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 6610-01-007-7617
NSN 6240-01-633-9357
NSN 4140-01-561-4145
NSN 6145-01-468-5467
NSN 5925-00-226-1155
NSN 5895-01-206-4465
NSN 6320-01-495-0512
NSN 5990-00-201-1162
NSN 5855-01-419-5285
NSN 6145-00-269-4271
NSN 5905-01-290-8067
NSN 5975-00-518-0780