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 4140-00-802-2968
NSN 5950-01-063-5447
NSN 5990-00-038-6482
NSN 6610-00-032-3536
NSN 5835-00-051-6471
NSN 5975-00-131-1583
NSN 5925-00-485-9175
NSN 6620-01-520-4186
NSN 5895-00-009-3482
NSN 6135-01-622-1296
NSN 6645-01-384-0628
NSN 6685-00-551-6139