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National Stock Number:
4820-01-180-2901
Federal Supply Class:
4820
National Item Identification Number:
011802901
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:
| N-7343 | 21013 | METREX VALVE CORP. | | N-7343B | 21013 | METREX VALVE CORP. |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.981 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.803 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.873 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.224 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.497 INCHES NOMINAL FIRST STEP | | 0.754 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED |
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