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		                             National Stock Number: 4810-00-170-5046
  Federal Supply Class: 4810
  National Item Identification Number: 001705046
  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:
 | 224592 | 79318 | MEGGITT NORTH HOLLYWOOD INC |   
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  Techincal Specification:
 | HARDNESS RATING | 47.0 ROCKWELL C NOMINAL OVERALL |  | MATERIAL | STEEL OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD SIZE | 0.250 INCHES SINGLE THREADED PORTION |  | SEAL ACCOMMODATION TYPE | GROOVED |  | SEATING SURFACE SHAPE | FLAT |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | THREAD CLASS | 3A SINGLE THREADED PORTION |  | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |   
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