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		                        | National Stock Number:
 4520-00-273-1251
 
 Federal Supply Class:
 4520
 
 National Item Identification Number:
 002731251
 
 Description:
 HEATER,VENTILATION,DUCT TYPE
 
 Detail:
 A HEAT TRANSFERRING UNIT UTILIZING A SEPARATE SOURCE OF STEAM OR HOT WATER AS THE HEAT TRANSFER MEDIUM. IT CONSISTS OF FINNED PARALLEL TUBES JOINED TOGETHER BY A HEADER OR HEADERS AND IS DESIGNED FOR INSTALLATION IN THE DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING OF THE UNIT IN PLANNED OR EXISTING DUCT WORK. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN NOT INTEGRAL WITH THE HEATING UNIT.
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 Manufacturer Information:
 
 | NSTDSIZET26L | 3FQN6 | MODINE MANUFACTURING CO |  | NSTDSIZET26L | 41197 | MODINE MFG CO |  | T26L | 38450 | ENGINEERED COIL COMPANY |  | S3802-66970T26L | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | DEPTH | 7.000 INCHES NOMINAL |  | HEAT DELIVERY DIRECTION | VERTICAL |  | HEAT DIRECTING DEVICE | ADJUSTABLE LOUVER |  | HEAT DISCHARGE OUTLET TYPE | STATIONARY |  | HEAT MEDIUM TYPE | STEAM |  | HEAT OUTLET QUANTITY | 1 |  | HEATING ELEMENT TYPE | STEAM COIL |  | HEIGHT | 31.125 INCHES NOMINAL |  | MOUNTING TYPE | VENTILATION DUCT |  | SPECIAL FEATURES | FINS COPPER 36 PER FT |  | WIDTH | 9.187 INCHES NOMINAL | 
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