4820-01-219-0543 SEAT,VALVE Index 4320-01-219-0545 RING,WEARING

National Stock Number:
4320-01-219-0544

Federal Supply Class:
4320

National Item Identification Number:
012190544

Description:
RING,WEARING

Detail:
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.


Manufacturer Information:
905D639-294259BECHTEL MARINE PROPULSION CORPORATION


Techincal Specification:
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE94259
DESIGN CONTROL REFERENCE905D639-2


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