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 5999-01-089-8612
NSN 5996-00-633-1177
NSN 6610-00-290-0758
NSN 5996-01-502-6330
NSN 5975-00-785-1154
NSN 7035-01-232-7263
NSN 5915-01-453-1944
NSN 5930-01-106-2966
NSN 4140-00-252-0879
NSN 6610-00-110-2622
NSN 5910-01-415-6256
NSN 6220-01-141-2363