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		                             National Stock Number: 4820-00-633-5982
  Federal Supply Class: 4820
  National Item Identification Number: 006335982
  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:
 | 5VR072SH1PC1A | 38056 | ASHCROFT INC |  | VAL867 | 38056 | ASHCROFT INC |   
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  Techincal Specification:
 | BODY INSIDE DIAMETER | 1.000 INCHES NOMINAL |  | FLANGE DIAMETER | 3.244 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL THREAD SIZE | 2.813 INCHES SINGLE THREADED PORTION |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | SEATING SURFACE SHAPE | ANGULAR |  | STYLE DESIGNATOR | THREADED FLANGED |  | THREAD CLASS | 2A SINGLE THREADED PORTION |  | THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION |  | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |  | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION |  | UNDER FLANGE HEIGHT | 1.297 INCHES NOMINAL |   
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