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		                        | National Stock Number:
 4820-01-065-1888
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 010651888
 
 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:
 
 | 56-13-0192 | 96169 | ELECTRIC BOAT CORPORATION |  | 609-4676629 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 609-4676629ITEM2 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 87577-3309ITEM2 | 96169 | ELECTRIC BOAT CORPORATION | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 1.750 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 15.750 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 10.750 INCHES NOMINAL |  | MATERIAL | RUBBER URETHANE OVERALL | 
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