Piston, wear ring
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 6135-01-066-6904
NSN 6645-01-578-7959
NSN 5999-01-481-7982
NSN 5930-00-297-8848
NSN 5975-01-320-4919
NSN 6105-01-082-6772
NSN 5945-00-607-0674
NSN 2925-01-464-3093
NSN 5905-01-653-2569
NSN 4140-00-021-7645
NSN 2925-00-602-7214
NSN 5915-01-658-2788