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		                             National Stock Number: 4710-01-554-6939
  Federal Supply Class: 4710
  National Item Identification Number: 015546939
  Description: TUBE AND FITTINGS,METALLIC
  Detail: An item consisting of metal tube, straight or prebent, with permanently attached fittings (brazed or welded) on one or both ends. It is primarily designed to convey fluids, gases, and/or semisolids. For items with detachable end fittings, see TUBE ASSEMBLY, METAL. 
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  Manufacturer Information:
 | 74A837131-1005 | 76301 | THE BOEING COMPANY |   
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  Techincal Specification:
 | END CONNECTION SPEC/STD | AN818 4D,ST7M411 4W |  | CRITICALITY CODE JUSTIFICATION | AGAV |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | AIR CONDITION TUBE ASSEMBLY |  | PROPRIETARY CHARACTERISTICS | PACS |  | OVERALL LENGTH | 27.370 INCHES NOMINAL |  | SPECIAL FEATURES | DISTRIBUTION STATEMENT D;EXPORT CONTROLLED;TEST PRESSURE 24 PSIG;BENT TUBE ASSY,METAL AIR CONDITION,Y402.034 |  | WALL THICKNESS | 0.028 INCHES NOMINAL |  | SUPPLEMENTARY FEATURES | BEND BLOCK RADIUS 0.500;ID LABEL P/N ST9M389ACA,COLOR CODE BROWN/GRAY |  | TUBE OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |  | TUBING MATERIAL | ALUMINUM ALLOY, WW-T-700/4, O |   
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