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 5999-01-230-0511
NSN 5930-01-303-8973
NSN 6130-00-679-3961
NSN 5990-01-270-3209
NSN 5905-01-510-3803
NSN 6650-00-266-6808
NSN 5855-01-110-9564
NSN 5915-01-319-2906
NSN 4140-01-320-2880
NSN 5996-00-223-9003
NSN 5915-01-392-1184
NSN 5975-01-453-8405