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		                        | National Stock Number:
 4820-01-245-5923
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012455923
 
 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:
 
 | 180429 | 99657 | MAROTTA CONTROLS INC |  | 180429CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 | 
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