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		                             National Stock Number: 4720-00-585-3459
  Federal Supply Class: 4720
  National Item Identification Number: 005853459
  Description: HOSE,AIR DUCT
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  Manufacturer Information:
 | NAS521-32-12 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | NAS522 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |   
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  Techincal Specification:
 | CROSS-SECTIONAL SHAPE STYLE | ROUND |  | INSIDE DIAMETER | 4.000 INCHES MINIMUM AND |   | 4.062 INCHES MAXIMUM BOTH ENDS |  | OUTSIDE DIAMETER | 4.126 INCHES NOMINAL BOTH ENDS |  | SPECIAL FEATURES | CROSS-SECTIONAL LENGTH: CROSS-SECTIONAL LENGTH: 2.875 IN. MIN. AND 3.125 IN. MAX. |  | SPECIFICATION/STANDARD DATA | 80205-NAS521 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |   
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