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National Stock Number:
4820-00-909-4175
Federal Supply Class:
4820
National Item Identification Number:
009094175
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:
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Techincal Specification:
| SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.275 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.730 INCHES MINIMUM AND 1.740 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.985 INCHES NOMINAL | | FLANGE DIAMETER | 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.180 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED |
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