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		                        | National Stock Number:
 4810-00-168-8711
 
 Federal Supply Class:
 4810
 
 National Item Identification Number:
 001688711
 
 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:
 
 | 150-417MPC191 | 27235 | HARDIE-TYNES CO., INC. |  | 20-191 | 27235 | HARDIE-TYNES CO., INC. |  | H3315340 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 1.125 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 2.735 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 1.850 INCHES NOMINAL |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | SEATING SURFACE SHAPE | FLAT | 
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