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 5920-01-449-2172
NSN 5999-01-364-3466
NSN 5930-00-989-4327
NSN 5990-01-026-8628
NSN 6650-00-547-4557
NSN 5945-01-202-9666
NSN 5998-01-528-3992
NSN 6685-00-521-3284
NSN 5998-01-601-8164
NSN 5975-00-908-1556
NSN 2925-00-321-2032
NSN 5998-01-565-3929