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 4140-01-609-2703
NSN 6240-01-617-7061
NSN 5998-01-351-8901
NSN 5990-01-264-9759
NSN 6650-00-925-1274
NSN 5945-01-266-5773
NSN 5965-00-267-4173
NSN 5920-01-386-5798
NSN 6610-01-477-6476
NSN 5998-01-071-9456
NSN 5920-01-076-4705
NSN 6620-01-278-8028