NSN 4520-01-200-0681

Part Details | STATIONARY DUCT TYPE HEATER

4520-01-200-0681 A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting 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: 106056816018, 106-056816-018, 106056816000, 106-056816-000, TFZ25H, TFZ-25H, MILH22594, MIL-H-22594, EH25H, 4520-01-200-0681, 01-200-0681, 4520012000681, 012000681

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
45JAN 30, 198501-200-068117014 ( HEATER, DUCT TYPE, STATIONARY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4520-01-200-0681
Part Number Cage Code Manufacturer
106-056816-01865586CHROMALOX, INC.DBA OGDEN
106-056816-00065586CHROMALOX, INC.DBA OGDEN
TFZ-25H74924INDEECO LLCDBA INDEECO
MIL-H-2259481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
EH25H17032VALAD ELECTRIC HEATING CORP.
Technical Data | NSN 4520-01-200-0681
Characteristic Specifications
HEAT DELIVERY RATE29002.0 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS440.0
FREQUENCY IN HERTZ60.0
PHASE THREE
CURRENT RATING IN AMPS19.3
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT9.250 INCHES NOMINAL
WIDTH20.000 INCHES NOMINAL
DEPTH6.000 INCHES NOMINAL
INCLOSURE MATERIAL0$DSTB000
SURFACE TREATMENT ZINC
OPERATING CONTROL TYPE
SPECIAL FEATURESMAGNETIC
SPECIFICATION/STANDARD DATA81349-MIL-H-22594 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATAH TYPE AND 25EH SIZE