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 5910-01-444-5105
NSN 6620-01-454-5717
NSN 6320-01-015-9856
NSN 5925-01-467-9910
NSN 5998-01-034-9809
NSN 6150-01-496-6686
NSN 6135-01-142-6456
NSN 6240-00-011-2453
NSN 5910-00-803-9089
NSN 6645-01-576-9896
NSN 4140-01-202-5600
NSN 5835-01-061-6876