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 5990-01-370-7119
NSN 5835-01-355-3654
NSN 7035-00-281-4082
NSN 5990-01-147-5225
NSN 5905-01-563-1275
NSN 5915-00-789-7476
NSN 6145-00-056-1873
NSN 5950-01-063-8042
NSN 5999-01-525-4928
NSN 6645-01-224-4265
NSN 5905-00-715-0095
NSN 6610-01-541-9794