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National Stock Number:
4320-00-821-0810
Federal Supply Class:
4320
National Item Identification Number:
008210810
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:
| 55-220360-18A | 52081 | EURAMCO SAFETY INC | | 55-22360-18US | 52081 | EURAMCO SAFETY INC | | C221A | 63857 | CIRCOR NAVAL SOLUTIONS LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | OVERALL LENGTH | 1.000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 6.375 INCHES NOMINAL | | BODY INSIDE DIAMETER | 5.735 INCHES NOMINAL | | INTERNAL FLANGE WIDTH | 0.250 INCHES NOMINAL | | CENTER FLANGE THICKNESS | 0.500 INCHES NOMINAL | | SMALLEST EXTERNAL ANCHOR FLANGE RADIUS | 3.187 INCHES NOMINAL | | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | 3.375 INCHES NOMINAL | | DISTANCE BELOW CENTERLINE | 0.062 INCHES NOMINAL | | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
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