Model: 12889D18
Wearing RingSpecial Features:
70-30 cu-ni mercury free; total of 8 holes on bolt circle: 3 ea 0.218in. Drill 0.375in. C-bore 0.22in. Dp, 1 ea 0.218in. Drill; 1.0in. Slo (flushing) top center, vent slot 40.0deg right and 10.Deg left of bottom center
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 12889D18 NSN 4320-01-383-5678
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight 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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