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		                        | National Stock Number:
 4820-01-389-7704
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 013897704
 
 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:
 
 | 5000S4824F1385602 9.00IN PC03 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | COPPER ALLOY 922 |  | MEDIA FOR WHICH DESIGNED | WATER, SALT |  | PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM | 
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