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		                             National Stock Number: 4820-00-783-4329
  Federal Supply Class: 4820
  National Item Identification Number: 007834329
  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:
 | 684593 | 99167 | HAMILTON SUNDSTRAND CORPORATION |   
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  Techincal Specification:
 | BODY INSIDE DIAMETER | 0.469 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 0.635 INCHES NOMINAL |  | FLANGE DIAMETER | 0.796 INCHES MINIMUM AND 0.797 INCHES MAXIMUM |  | FLANGE SEAT TO DISK END HEIGHT | 0.125 NOMINAL INCHES |  | MATERIAL | IRON OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | SEAL ACCOMMODATION TYPE | GROOVED |  | SEATING SURFACE SHAPE | FLAT |  | SPECIAL FEATURES | 0.5000 IN. MIN,0.5006 IN. MAX ID BODY,FOUR 0.121 IN. MIN,0.135 IN. MAX DIA BLEED HOLES,FOUR 0.245 IN. MIN,0.265 IN. MAX DIA BLEED HOLES |  | STYLE DESIGNATOR | PLAIN FLANGED |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | UNDER FLANGE HEIGHT | 1.169 INCHES NOMINAL |   
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