Model: 57-2-4
Wearing RingSpecial Features:
One positioning lug 0.250 in. Diameter by 0.250 in. Lg locatedon periphery of body, 0.312 in. From inside of, flange tocenter of hole
Properties:
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.
Part 57-2-4 NSN 4320-00-097-0842
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 8413919520
- SITC: 74291
- End Use: Industrial engines
- NAICS: 333911
- USDA: 1
Freight Class: Parts, nesoi, of pumps for liquids
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