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		                             National Stock Number: 4820-00-221-8722
  Federal Supply Class: 4820
  National Item Identification Number: 002218722
  Description: VALVE,CHECK
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  Manufacturer Information:
 | SS70 | 78286 | SIKORSKY AIRCRAFT CORPORATION |  | SS70-924K8C | 78286 | SIKORSKY AIRCRAFT CORPORATION |  | SS70-924K8J | 78286 | SIKORSKY AIRCRAFT CORPORATION |   
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