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 4140-01-458-2743
NSN 5960-01-040-7114
NSN 6150-01-551-0672
NSN 5965-01-419-0476
NSN 5925-01-467-2668
NSN 5855-01-517-3104
NSN 5925-01-597-0216
NSN 5905-01-519-3946
NSN 6135-00-686-4777
NSN 6240-00-006-3725
NSN 6145-01-068-0560
NSN 4140-01-597-6800