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		                             National Stock Number: 4820-00-991-6517
  Federal Supply Class: 4820
  National Item Identification Number: 009916517
  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:
 | 018339 | 96046 | CRANE PUMPS & SYSTEMS PFT CORP |  | 13200E8810 | 97403 | CECOM LR CENTER |  | 2S5173 | 10912 | CARTER RALPH B CO |  | A3775 | 14180 | LULL CORP |  | 18339SA | 96046 | CRANE PUMPS & SYSTEMS PFT CORP |   
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  Techincal Specification:
 | CRITICALITY CODE JUSTIFICATION | FEAT |  | MATERIAL | RUBBER |  | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL. FEATURES - CAST IRON CENTER WEIGHT ON BOTH SIDES, THREE 0.325 IN. DIA MTG HOLES 120.0 DEG APART ON 3.500 IN. DIA BOLT CIRCLE. |  | STYLE DESIGNATOR | SWING CHECK |   
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