NSN 4520-00-273-1281

Part Details | DUCT TYPE VENTILATION HEATER

4520-00-273-1281 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.

Alternate Parts: 52E1000SZT37M, MILH16235, MIL-H-16235, NSTDSIZET37M, S380266970T37M, S3802-66970T37M, S38026697037M, S3802-66970-37M, 4520-00-273-1281, 00-273-1281, 4520002731281, 002731281

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
45JAN 01, 196300-273-128107531 ( HEATER, VENTILATION, DUCT TYPE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4520-00-273-1281
Part Number Cage Code Manufacturer
52E1000SZT37M38450ENGINEERED COIL COMPANYDBA DRS MARLO COIL
MIL-H-1623581349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
NSTDSIZET37M41197MODINE MFG CO
S3802-66970T37M80064NAVAL SHIP SYSTEMS COMMAND
S3802-66970-37M80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4520-00-273-1281
Characteristic Specifications
HEATING ELEMENT TYPES$T
HEAT MEDIUM TYPEH$E
MAXIMUM PRESSURE LIMIT35.0 POUNDS PER SQUARE INCH GAGE
MOUNTING TYPE VENTILATION DUCT
HEIGHT39.250 INCHES NOMINAL
WIDTH53.000 INCHES NOMINAL
DEPTH7.000 INCHES NOMINAL
DUCT HEIGHT36.250 INCHES
DUCT WIDTH42.000 INCHES
HEAT OUTLET QUANTITY1
HEAT DELIVERY DIRECTION HORIZONTAL
HEAT DISCHARGE OUTLET TYPE STATIONARY
HEAT DIRECTING DEVICE RADIAL DIFFUSER-VERTICAL VANES
INCLOSURE MATERIAL STEEL
SURFACE TREATMENT ZINC
OPERATING CONTROL TYPE
SPECIAL FEATURESTUBE HAS 60 FINS PER FT.,CONFORMS TO MIL-H-16235C