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		                             National Stock Number: 4820-00-217-2821
  Federal Supply Class: 4820
  National Item Identification Number: 002172821
  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:
 | 10486-4-1 | 63686 | THE WALWORTH COMPANY |  | 4200-3167378PC39 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 496H111-39 | 03966 | ZURN INDUSTRIES INC |  | 4824-3119982PC3X1-4 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 4824-3119982PC3X1-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 4200-3167378PC39 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 496H111PC39 | 03966 | ZURN INDUSTRIES INC |  | 4DP2091APC4-1-4 | 63686 | THE WALWORTH COMPANY |  | N10552PC3X1-4 | 63686 | THE WALWORTH COMPANY |  | N329-4-1-4 | 63686 | THE WALWORTH COMPANY |  | 496H111PC39 | 70487 | AMERIDRIVES INTERNATIONAL LLC |  | 496H111-39 | 70487 | AMERIDRIVES INTERNATIONAL LLC |   
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  Techincal Specification:
 | FLANGE DIAMETER | 0.468 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 1.250 INCHES NOMINAL |  | MATERIAL | STEEL CORROSION RESISTING |  | OVERALL HEIGHT | 1.562 INCHES NOMINAL |  | SEAT ANGLE | 60.0 DEGREES NOMINAL |  | SHANK DIAMETER | 0.250 INCHES NOMINAL |  | STYLE DESIGNATOR | CONE CHECK |  | UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |   
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