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		                        | National Stock Number:
 1620-00-751-8728
 
 Federal Supply Class:
 1620
 
 National Item Identification Number:
 007518728
 
 Description:
 RING,BACKUP
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 Manufacturer Information:
 
 | 5643 | 02121 | GOODRICH AEROSPACE CANADA LTD. |  | 5643-5 | 02121 | GOODRICH AEROSPACE CANADA LTD. | 
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