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 2925-00-092-6526
NSN 5945-01-362-6353
NSN 5910-00-959-4894
NSN 5996-00-465-7684
NSN 6240-01-218-4635
NSN 5975-01-378-1205
NSN 5915-00-823-4980
NSN 5920-01-352-3625
NSN 5985-01-087-9571
NSN 6110-00-411-5830
NSN 5965-01-407-6845
NSN 6645-01-409-2003