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 5905-00-434-1763
NSN 5990-01-625-5923
NSN 5925-00-499-2160
NSN 5975-00-226-8429
NSN 5855-01-222-0992
NSN 5960-00-652-1829
NSN 6220-01-110-9708
NSN 6620-00-912-9623
NSN 5930-00-848-3945
NSN 5960-01-215-0992
NSN 4140-01-292-7854
NSN 5925-00-636-5683