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		                        | National Stock Number:
 4820-01-231-5514
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012315514
 
 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:
 
 | 2620-902X15PC4 | 96169 | ELECTRIC BOAT CORPORATION |  | 845-2181292 | 96169 | ELECTRIC BOAT CORPORATION |  | 845-2181292PC4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 845-2181292 PC 4 | 96169 | ELECTRIC BOAT CORPORATION | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | 
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