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 5910-01-155-9815
NSN 5990-01-065-0492
NSN 6620-00-221-6639
NSN 4140-01-212-8286
NSN 6645-01-218-5234
NSN 5990-01-253-1332
NSN 5990-01-649-4647
NSN 6110-00-850-2860
NSN 5925-01-235-2060
NSN 5998-01-381-9577
NSN 6220-01-283-8761
NSN 6110-00-567-6439