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		                        | National Stock Number:
 1660-01-265-6421
 
 Federal Supply Class:
 1660
 
 National Item Identification Number:
 012656421
 
 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:
 
 | 128EC10191-7 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 128EC10191-7 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 128EC10191-7 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-787 FED SPEC 2ND MATERIAL RESPONSE |  | MATERIAL | ALUMINUM ALLOY AND ALUMINUM ALLOY 5052 |  | SPECIAL FEATURES | ALUMINUM ALLOY, WW-T-787 5052-0, DUCTS, ALUMINUM ALLOY, QQ-A-250/11, PLATES; FOUR DUCTS 1.000 IN. OD, ONE DUCT 1.500 IN. OD, ONE DUCT 0.750 IN. OD; ONE PLATE 0.125 IN. THICK; ONE PLATE 0.032 IN. THICK | 
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