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, nesoi, of pumps for liquids
NSN 6620-00-075-0131
NSN 6240-00-533-1493
NSN 5835-01-170-5537
NSN 5915-01-408-1159
NSN 5965-01-331-1644
NSN 5905-01-501-6433
NSN 6220-01-622-5496
NSN 2925-01-567-8027
NSN 5835-01-354-0566
NSN 2925-00-749-8893
NSN 5930-01-221-2007
NSN 6135-01-426-8282