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 5950-01-206-0737
NSN 5855-00-252-5743
NSN 6135-00-262-6807
NSN 2925-00-604-7487
NSN 6685-01-536-1980
NSN 5990-01-174-6851
NSN 5895-01-495-9499
NSN 6610-01-281-7536
NSN 6220-01-280-5353
NSN 6220-00-051-4198
NSN 2925-01-330-2988
NSN 5915-01-505-3730