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		                        | National Stock Number:
 4820-00-440-0542
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004400542
 
 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:
 
 | 304-206-320-660-000 | 04613 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |  | 304-206-320-660-000 | 56607 | LEXAIR INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 8.500 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 8.500 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 6.500 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.500 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 2.000 INCHES NOMINAL |  | MATERIAL | RUBBER SYNTHETIC OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 15.000 NOMINAL | 
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