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 of turbojet and turbopropeller aircraft engines, other than for use in civil aircraft
NSN 5985-00-222-6066
NSN 5975-00-318-4623
NSN 5999-01-465-0861
NSN 5999-01-634-0576
NSN 5985-01-535-3368
NSN 6135-01-584-0941
NSN 6145-01-418-3761
NSN 6150-01-196-5413
NSN 5920-00-951-5050
NSN 5925-01-577-4913
NSN 6650-00-264-0664
NSN 5945-01-245-9358