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 5835-01-068-4043
NSN 6620-00-021-6876
NSN 5998-00-446-8830
NSN 6105-01-562-7784
NSN 5920-00-658-7219
NSN 5910-01-506-0302
NSN 5975-01-468-8117
NSN 5950-01-542-7404
NSN 5835-01-412-0344
NSN 6105-01-394-4175
NSN 5950-01-478-9129
NSN 6620-01-441-0240