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		                             National Stock Number: 4520-01-189-6720
  Federal Supply Class: 4520
  National Item Identification Number: 011896720
  Description: DAMPER,FLUE
  Detail: A CAST IRON OR SHEET METAL PLATE DESIGNED TO BE INSTALLED IN A BOILER, HEATER, STOVE, OR FURNACE FLUE PIPE TO CONTROL THE DRAFT, AND/OR IN AN AIR DUCT TO CONTROL THE PASSAGE OF AIR. EXCLUDES VALVE, BUTTERFLY.
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  Manufacturer Information:
 | A105191 | 49956 | RAYTHEON COMPANY |  | A105191-3 | 3B150 | RAYTHEON COMPANY |  | A105191-3 | 49956 | RAYTHEON COMPANY |  | A105191-3 | 54X10 | RAYTHEON COMPANY |   
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  Techincal Specification:
 | OPERATION METHOD | AUTOMATIC |  | OVERALL LENGTH | 30.000 INCHES NOMINAL |  | OVERALL WIDTH | 20.000 INCHES NOMINAL |  | SHAPE | RECTANGULAR |  | SPECIAL FEATURES | WITHOUT SOLENOID VALVE |   
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