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National Stock Number:
4820-00-388-1321
Federal Supply Class:
4820
National Item Identification Number:
003881321
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:
| 1504440 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 905J632PC24 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 95J575PC25 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 95-J-575-25 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 95J563PC206 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 95J575PC25 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | H3107379PC25 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.443 INCHES MINIMUM AND 1.447 INCHES MAXIMUM | | FLANGE DIAMETER | 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | CHROMIUM ALLOY BODY | | SEAT RADIUS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 1.438 INCHES NOMINAL |
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