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 6620-01-281-6386
NSN 6620-00-911-6747
NSN 4140-01-555-0876
NSN 6650-00-518-2962
NSN 5925-00-152-9399
NSN 5975-01-345-1243
NSN 5950-01-169-0025
NSN 6685-01-201-9294
NSN 6320-01-227-2648
NSN 5910-01-312-8101
NSN 5835-01-559-3824
NSN 6320-00-174-1362