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		                        | National Stock Number:
 4820-00-491-0944
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004910944
 
 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:
 
 | 2632-912X2PC21- INQ3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 2632-912X2PC21-1IN | 96169 | ELECTRIC BOAT CORPORATION |  | 2632-912X2PC21-1INQ3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 803-5001003-X5XX-52Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 803-5001003-X5XX-52 | 53711 | NAVAL SEA SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS | 
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