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		                        | National Stock Number:
 1660-01-120-7461
 
 Federal Supply Class:
 1660
 
 National Item Identification Number:
 011207461
 
 Description:
 MANIFOLD,CABIN AIR
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 Manufacturer Information:
 
 | 414AS708-1 | 77272 | THE BOEING COMPANY |  | 414AS708-1 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND |  | XD4177 | 0BR38 | COMPTECH CORPORATION |  | XD4177 | 46YF5 | MAVEN ENGINEERING CORPORATION |  | XD4177 | K2962 | SENIOR UK LIMITED | 
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 Techincal Specification:
 
 | PART NAME ASSIGNED BY CONTROLLING AGENCY | MANIFOLD CABIN AIR DUCT |  | OVERALL LENGTH | 26.00 INCHES NOMINAL |  | SPECIAL FEATURES | 4.25" OUTSIDE DIAMETER (RIGHT END); 6" OUTSIDE DIAMETER (LEFT END); 4.25" OUTSIDE DIAMETER (TOP END); 8" RADIUS (LEFT CURVE); 4" RADIUS (TOP CURVE - 3.4" CLAMPING AREA); 4" RADIUS (RIGHT CURVE - 3.4" CLAMPING AREA) |  | SPECIAL TEST FEATURES | DUCT TO BE MANUFACTURED AND QUALIFIED PER BOEING-VERTOL DOCUMENT D210-11405-1 DUCT ASSEMBLY - LOW PRESSURE, CLASS II, TYPE 2 |  | SUPPLEMENTARY FEATURES | OUTER SURFACE OF BEAD TO CONFORM TO MS336660 TYPA A; INNER SURFACE MAY BE FLUSH WITH INSIDE DIAMETER OF DUCT; AREAS SHALL HAVE ADEQUATE RIGIDITY TO WITHSTAND NORMAL CLAMPING PRESSURES | 
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