4520-00-273-1279 HEATER,VENTILATION,DUCT TYPE Index 4520-00-273-1281 HEATER,VENTILATION,DUCT TYPE

National Stock Number:
4520-00-273-1280

Federal Supply Class:
4520

National Item Identification Number:
002731280

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.


Manufacturer Information:
MIL-H-1623581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NSTDSIZT37L41197MODINE MFG CO
S3801-66970T37L10001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
S3801-66970T37L80064NAVAL SHIP SYSTEMS COMMAND
S3802-66970-37L80064NAVAL SHIP SYSTEMS COMMAND
S3802-66970T37L80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
DEPTH7.000 INCHES NOMINAL
DUCT HEIGHT36.250 INCHES
DUCT WIDTH42.000 INCHES
HEAT DELIVERY DIRECTIONHORIZONTAL
HEAT DISCHARGE OUTLET TYPESTATIONARY
HEAT DIRECTING DEVICERADIAL DIFFUSER-VERTICAL VANES
HEAT MEDIUM TYPEHOT WATER OR STEAM
HEAT OUTLET QUANTITY1
HEATING ELEMENT TYPEHOT WATER COIL OR STEAM COIL
HEIGHT39.250 INCHES NOMINAL
INCLOSURE MATERIALSTEEL
MAXIMUM PRESSURE LIMIT35.0 POUNDS PER SQUARE INCH GAGE
MOUNTING TYPEVENTILATION DUCT
SURFACE TREATMENTZINC
SPECIAL FEATURESTUBE HAS 36 FINS PER FT.,CONFORMS TO MIL-H-16235C
WIDTH53.000 INCHES NOMINAL


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