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 5925-00-279-3644
NSN 5835-01-525-3220
NSN 5998-00-687-8609
NSN 5950-01-444-1789
NSN 5945-00-794-2478
NSN 5985-00-911-3692
NSN 6110-01-485-7880
NSN 5960-01-294-2397
NSN 5990-01-369-6915
NSN 6685-01-037-6371
NSN 6320-01-631-7828
NSN 6620-01-453-3135