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		                             National Stock Number: 4810-00-168-8716
  Federal Supply Class: 4810
  National Item Identification Number: 001688716
  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:
 | 00350-S4901-595811PC199 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 150-409FFPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-409FPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-409YPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-409ZPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-417FFPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-417FPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-417LPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-417YPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-417ZPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-434YPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-434ZPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-619FFPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 150-619FPC199 | 27235 | HARDIE-TYNES CO., INC. |  | 20-199 | 27235 | HARDIE-TYNES CO., INC. |   
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  Techincal Specification:
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 2.172 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 1.859 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 1.000 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.031 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.516 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 45.000 NOMINAL |  | THREAD SERIES DESIGNATOR | UNC SINGLE THREADED PORTION |  | NOMINAL THREAD SIZE | 0.375 INCHES SINGLE THREADED PORTION |  | THREAD CLASS | 2B SINGLE THREADED PORTION |   
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