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 5990-00-970-2171
NSN 5998-00-881-3853
NSN 5910-00-226-8109
NSN 6240-00-008-5263
NSN 5935-01-007-0134
NSN 5965-01-200-6613
NSN 6145-00-283-7641
NSN 6620-01-422-9708
NSN 5999-01-634-0576
NSN 5835-00-286-5432
NSN 5905-01-569-2954
NSN 5905-01-099-4954