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National Stock Number:
4520-01-429-8427
Federal Supply Class:
4520
National Item Identification Number:
014298427
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.
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Manufacturer Information:
| MIL-H-22594 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-H-22594,SZ22EH,TYPEM | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DUCT HEIGHT | 3.250 INCHES | | DUCT WIDTH | 9.000 INCHES | | CURRENT RATING IN AMPS | 4.386 | | CURRENT TYPE | AC | | FREQUENCY IN HERTZ | 60.0 | | HEAT DELIVERY RATE | 6585.16 BRITISH THERMAL UNIT | | HEAT MEDIUM TYPE | AIR | | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION | | HEIGHT | 6.1875 INCHES MINIMUM AND 6.3125 INCHES MAXIMUM | | INCLOSURE MATERIAL | STEEL | | MOUNTING TYPE | VENTILATION DUCT | | OPERATING CONTROL TYPE | THERMOSTATIC | | PHASE | THREE | | VOLTAGE IN VOLTS | 440.0 | | WIDTH | 15.875 INCHES MINIMUM AND 16.125 INCHES MAXIMUM |
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