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 5985-01-568-0570
NSN 6650-00-253-9195
NSN 4140-00-143-9084
NSN 6220-01-150-9231
NSN 5975-00-647-4968
NSN 5950-00-189-0551
NSN 6645-01-175-9875
NSN 5835-01-538-8080
NSN 5998-00-925-0177
NSN 6145-00-920-4700
NSN 5990-01-354-8965
NSN 5998-01-067-8154