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 5920-00-928-2229
NSN 5990-01-649-4647
NSN 6320-01-521-1764
NSN 5965-01-237-3342
NSN 5920-00-548-5437
NSN 6220-01-326-5432
NSN 5945-01-033-7947
NSN 6135-00-073-8939
NSN 5925-00-361-8836
NSN 5920-01-346-3611
NSN 5998-01-157-2900
NSN 5895-01-140-9663