4520-01-429-8431 HEATER,DUCT TYPE,STATIONARY Index 4820-01-429-8433 RETAINER,SEAT,VALVE

National Stock Number:
4520-01-429-8432

Federal Supply Class:
4520

National Item Identification Number:
014298432

Description:
HEATER,DUCT TYPE,STATIONARY

Detail:
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.


Manufacturer Information:
MIL-H-2259481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-H-22594,SZ24EH,TYPEM81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CURRENT RATING IN AMPS8.5
CURRENT TYPEAC
DUCT HEIGHT6.250 INCHES
DUCT WIDTH9.000 INCHES
FREQUENCY IN HERTZ60.0
HEAT DELIVERY RATE12760.88 BRITISH THERMAL UNIT
HEAT MEDIUM TYPEAIR
HEATING ELEMENT TYPEELECTRIC NONIMMERSION
HEIGHT9.1875 INCHES MINIMUM AND 9.3125 INCHES MAXIMUM
INCLOSURE MATERIALSTEEL
PHASETHREE
MOUNTING TYPEVENTILATION DUCT
OPERATING CONTROL TYPETHERMOSTATIC
VOLTAGE IN VOLTS440.0
WIDTH14.875 INCHES MINIMUM AND 15.125 INCHES MAXIMUM


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