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		                        | National Stock Number:
 4820-00-911-1377
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009111377
 
 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:
 
 | 161802-1 | 99657 | MAROTTA CONTROLS INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 0.748 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 0.720 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.484 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.190 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.320 INCHES NOMINAL |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | SEAL ACCOMMODATION TYPE | GROOVED | 
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