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National Stock Number:
4320-00-289-4443
Federal Supply Class:
4320
National Item Identification Number:
002894443
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.
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Manufacturer Information:
| C146A | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | R-397 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | R-397 PC.4 | 63857 | CIRCOR NAVAL SOLUTIONS LLC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.235 INCHES MINIMUM AND 3.237 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.626 INCHES MINIMUM AND 3.627 INCHES MAXIMUM | | BODY STYLE | PLAIN W/INTERNAL FLANGE | | INTERNAL FLANGE WIDTH | 0.125 INCHES NOMINAL | | INTERNAL FLANGE INSIDE DIAMETER | 2.875 INCHES NOMINAL | | OVERALL LENGTH | 0.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16261,GRADE 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY |
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