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 5950-00-509-6442
NSN 5999-00-431-6808
NSN 5999-00-679-5002
NSN 6685-01-444-1496
NSN 5990-01-326-9862
NSN 2925-01-025-0082
NSN 6620-01-102-0008
NSN 7035-01-243-2730
NSN 6320-00-886-9771
NSN 5920-01-625-8105
NSN 6130-00-525-9271
NSN 5985-00-615-9766