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		                             National Stock Number: 2590-99-409-3412
  Federal Supply Class: 2590
  National Item Identification Number: 994093412
  Description: RING ASSEMBLY
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  Manufacturer Information:
 | 2207 | K2709 | PERKINS ENGINES COMPANY LTD |  | 61SL40102 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |   
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