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		                        | National Stock Number:
 4130-01-575-5040
 
 Federal Supply Class:
 4130
 
 National Item Identification Number:
 015755040
 
 Description:
 DAMPER VENTILATION
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 Manufacturer Information:
 
 | 512-01-0V119 | 51704 | GREENHECK FAN CORPORATION |  | HCD-120/38X18 | 51704 | GREENHECK FAN CORPORATION | 
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 Techincal Specification:
 
 | OVERALL HEIGHT | 22.000 INCHES NOMINAL |  | OVERALL WIDTH | 38.000 INCHES NOMINAL | 
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