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		                        | National Stock Number:
 4820-00-510-9718
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 005109718
 
 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:
 
 | 113581 | 79318 | MEGGITT NORTH HOLLYWOOD INC | 
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 Techincal Specification:
 
 | BODY INSIDE DIAMETER | 0.125 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE  OR AISI 440C ASSN STD SINGLE MATERIAL RESPONSE  OR SAE 51440C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 440C OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | OVERALL HEIGHT | 0.696 INCHES NOMINAL |  | SEAL ACCOMMODATION TYPE | GROOVED |  | SEATING SURFACE SHAPE | FLAT |  | STYLE DESIGNATOR | PLAIN | 
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