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		                        | National Stock Number:
 4820-01-159-1014
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 011591014
 
 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:
 
 | 803-2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 803-2177525-M7XX-22 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 803-2177525M731 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | MATERIAL | NICKEL ALLOY |  | OUTSIDE DIAMETER | 1.732 INCHES NOMINAL |  | OVERALL HEIGHT | 1.500 INCHES NOMINAL |  | SEAT RADIUS | 0.980 INCHES NOMINAL |  | STYLE DESIGNATOR | PLUG | 
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