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H6 - Federal Item Name Directory
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22534
RING,WEARING
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FIIG: A19900
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Entry Date: Apr-01-1974
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Concept:
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Status: A
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Applicability: A
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Type: 0
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Definition: 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.
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Corresponding NIINs: 4,907
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