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		                             National Stock Number: 4810-00-168-8747
  Federal Supply Class: 4810
  National Item Identification Number: 001688747
  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:
 | 150-570GPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-570HPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-570KPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-570PC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-570YPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-573GPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-573HPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-573KPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-573PC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-573YPC222 | 27235 | HARDIE-TYNES CO., INC. |  | 150-589 PIECE 222 | 27235 | HARDIE-TYNES CO., INC. |  | 30-222 | 27235 | HARDIE-TYNES CO., INC. |   
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  Techincal Specification:
 | STYLE DESIGNATOR | THREADED FLANGED |  | FLANGE DIAMETER | 2.500 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 2.047 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.906 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.219 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SEATING SURFACE SHAPE | FLAT |  | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |  | NOMINAL THREAD SIZE | 2.188 INCHES SINGLE THREADED PORTION |  | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION |  | THREAD CLASS | 3A SINGLE THREADED PORTION |  | THREAD LENGTH | 0.531 INCHES NOMINAL SINGLE THREADED PORTION |   
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