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 4140-00-421-4555
NSN 5930-01-576-9993
NSN 5998-01-352-5722
NSN 6240-00-840-3647
NSN 5895-01-526-9914
NSN 7035-01-222-0136
NSN 5999-01-041-6798
NSN 4140-00-012-3506
NSN 5925-00-081-9135
NSN 6610-00-296-5007
NSN 7035-01-224-5165
NSN 5935-00-021-9137