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 6620-01-512-3032
NSN 5910-01-125-2333
NSN 6240-01-069-2688
NSN 6110-00-777-2547
NSN 5915-01-333-3263
NSN 6110-00-070-2213
NSN 6650-01-216-2707
NSN 6320-00-779-5923
NSN 6650-01-141-5999
NSN 5895-01-143-3851
NSN 5985-01-337-5017
NSN 5935-01-322-1153