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National Stock Number:
4820-00-388-1422
Federal Supply Class:
4820
National Item Identification Number:
003881422
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 1504433 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 95J563PC177 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 95J571PC35 | 79500 | WESTINGHOUSE ELECTRIC CORP | | H3120685-35 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FLANGE DIAMETER | 1.595 INCHES MINIMUM AND | | 1.605 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.877 INCHES MINIMUM AND | | 0.878 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.563 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL | | MATERIAL | CHROMIUM MOLYBDENUM BODY | | ROD,WELDING,SURFACING FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.370 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 79500 | | DESIGN CONTROL REFERENCE | 1504433 |
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