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 6645-01-362-9621
NSN 4140-00-103-6943
NSN 6145-01-193-0273
NSN 5945-00-344-3255
NSN 6685-00-887-2063
NSN 5925-00-004-7703
NSN 5930-00-569-6509
NSN 4140-01-649-0939
NSN 5835-00-435-6638
NSN 5945-01-511-0749
NSN 5990-00-334-8836
NSN 5998-01-435-5103