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 5910-00-135-2177
NSN 5925-00-301-0810
NSN 5855-01-162-5251
NSN 4140-01-618-3705
NSN 5975-01-400-4204
NSN 5895-01-511-5137
NSN 5935-01-465-8764
NSN 6150-00-623-8864
NSN 6135-00-145-8884
NSN 5930-01-440-5465
NSN 5935-00-089-2689
NSN 5998-00-740-7515