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National Stock Number:
4320-00-860-7979
Federal Supply Class:
4320
National Item Identification Number:
008607979
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:
| 378D677H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 379 D 677-01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 379D677H01 | 5N842 | METRICAN INC DBA METRIX MANUFACTURING COMPANY | | 379D684 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 379D684PC4 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 379D677H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE | | BODY STYLE | EXTERNAL FLANGE | | HOLE DEPTH | 0.094 INCHES NOMINAL | | GROOVE DEPTH | 0.500 INCHES NOMINAL | | OVERALL LENGTH | 0.625 INCHES NOMINAL | | BOLT CIRCLE DIAMETER | 4.500 INCHES NOMINAL | | FLANGE DIAMETER | 6.875 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 5.372 INCHES MINIMUM AND | | 5.373 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 4.120 INCHES MINIMUM AND | | 4.121 INCHES MAXIMUM | | LEFT SIDE FLANGE THICKNESS | 0.250 INCHES NOMINAL | | END TO FLANGE DISTANCE | 0.375 INCHES NOMINAL | | BOLT HOLE QUANTITY | 4 | | GROOVE QUANTITY | 3 | | UNTHREADED MOUNTING HOLE DIAMETER | 0.125 INCHES NOMINAL | | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | | CHAMFERED OUTSIDE RIGHT CORNER | | CHAMFER ANGLE | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER | | CHAMFER LENGTH | 0.062 INCHES NOMINAL OUTSIDE RIGHT CORNER | | SPECIAL FEATURES | MTG HOLES COUNTERBORED |
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