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 5975-01-047-2000
NSN 5950-01-399-8700
NSN 5999-01-268-1461
NSN 6130-00-421-4107
NSN 5999-01-586-9786
NSN 5905-01-022-0141
NSN 5930-01-078-9966
NSN 6645-01-259-6091
NSN 6650-00-248-0647
NSN 4140-01-646-3016
NSN 5998-01-188-6018
NSN 5905-01-100-3802