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		                        | National Stock Number:
 4820-00-471-8356
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004718356
 
 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:
 
 | 507-12 | 28353 | ZURN INDUSTRIES INC WILKINS REGULATOR CO DIV |  | 507-12 | 30483 | THE WILKINS CO INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.219 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 2.500 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |  | MATERIAL | RUBBER SILICONE OVERALL |  | SEATING SURFACE SHAPE | FLAT | 
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