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 6645-01-365-8020
NSN 5960-01-170-4057
NSN 6610-01-548-6549
NSN 6130-01-649-6387
NSN 5960-01-339-0008
NSN 7035-01-633-9537
NSN 6685-00-038-7886
NSN 2925-00-836-2323
NSN 2925-00-814-8745
NSN 5965-01-243-3307
NSN 5905-01-459-6402
NSN 2925-00-233-5644