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 6645-01-400-2119
NSN 5985-00-455-8555
NSN 6150-01-352-2184
NSN 5985-00-584-3795
NSN 5835-00-912-5656
NSN 6240-01-160-7934
NSN 7035-00-941-4949
NSN 5998-00-992-9948
NSN 5999-00-142-5831
NSN 5905-00-896-0228
NSN 5996-00-769-5112
NSN 6620-01-081-1042