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.
NSN 5999-00-092-5102
NSN 6150-00-001-9103
NSN 5985-01-620-8426
NSN 2925-01-389-3726
NSN 5925-00-636-5683
NSN 6135-00-838-0706
NSN 5895-01-480-4311
NSN 6320-01-355-3998
NSN 6110-01-196-4886
NSN 6650-01-193-5911
NSN 5835-01-561-2959
NSN 6110-01-037-2163