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 5996-00-786-3436
NSN 5999-00-802-6311
NSN 5945-01-274-6992
NSN 6240-01-435-6505
NSN 5975-01-142-1598
NSN 5950-01-487-3750
NSN 5950-00-452-9740
NSN 6610-01-582-6098
NSN 5935-00-903-5982
NSN 5930-00-431-6920
NSN 5905-01-391-5673
NSN 6145-00-161-5415