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		                             National Stock Number: 1660-00-097-7142
  Federal Supply Class: 1660
  National Item Identification Number: 000977142
  Description: DUCT ASSEMBLY,AIR CONDITIONING-H
  Detail: A hollow body used to transport air to various parts of the aircraft for the purpose of heating, cooling, pressurizing, de-icing, and the like. It may include flange(s), bracket(s), and the like for mounting purposes. Excludes pipes used in aircraft exhaust systems and pipes used in non-aircraft applications. Excludes PIPE, EXHAUST and PIPE, AIR CONDITIONING-HEATING. 
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  Manufacturer Information:
 | 35-21060-501 | 81205 | THE BOEING COMPANY |   
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  Techincal Specification:
 | AIRCRAFT MISSION DESIGN SERIES | B-52 |   
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