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		                             National Stock Number: 4820-00-372-0740
  Federal Supply Class: 4820
  National Item Identification Number: 003720740
  Description: DISK,VALVE
  Detail: An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like. 
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  Manufacturer Information:
 | 5S1160PC6 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 5S1160PC6 | 80064 | NAVAL SHIP SYSTEMS COMMAND |   
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  Techincal Specification:
 | MATERIAL | COPPER ALLOY |  | NOMINAL THREAD SIZE | 2.000 INCHES |  | OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |  | OVERALL HEIGHT | 3.650 INCHES NOMINAL |  | SEAT ANGLE | 45.0 DEGREES NOMINAL |  | STYLE DESIGNATOR | PLUG |  | THREAD CLASS | 2B |  | THREAD QUANTITY PER INCH | 12 |  | THREAD SERIES DESIGNATOR | UN |   
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