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		                             National Stock Number: 4470-01-278-3970
  Federal Supply Class: 4470
  National Item Identification Number: 012783970
  Description: CLOSURE HEAD INSUL
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  Manufacturer Information: 
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  Techincal Specification:
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |   
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