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 5925-01-622-1991
NSN 5935-00-297-2472
NSN 5965-01-449-1101
NSN 6320-01-390-5385
NSN 6130-01-421-5949
NSN 5990-00-997-1382
NSN 6620-01-517-0014
NSN 5930-01-340-0658
NSN 5996-01-492-9878
NSN 7035-01-553-4510
NSN 6105-01-395-8532
NSN 5999-00-204-9998