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 6620-01-301-3258
NSN 6240-01-326-6937
NSN 6610-00-419-7844
NSN 5999-00-246-7084
NSN 6685-00-030-8651
NSN 6610-01-512-8154
NSN 5835-01-381-2683
NSN 5910-00-398-0930
NSN 6320-01-495-1244
NSN 6135-01-271-7151
NSN 2925-01-356-3168
NSN 6105-01-028-3330