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		                             National Stock Number: 4820-01-261-5346
  Federal Supply Class: 4820
  National Item Identification Number: 012615346
  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:
 | 2621-826-01-008A | 96169 | ELECTRIC BOAT CORPORATION |  | 262182601-008A | 96169 | ELECTRIC BOAT CORPORATION |   
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  Techincal Specification:
 | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | NICKEL ALLOY 400 |  | MEDIA FOR WHICH DESIGNED | WATER |  | NOMINAL THREAD SIZE | 0.500 INCHES |  | PRESSURE RATING | 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL |  | THREAD CLASS | 2A |  | THREAD QUANTITY PER INCH | 13 |   
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