Product Details | STATIONARY DUCT TYPE HEATER

4520-01-224-4007 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.

Part Alternates: EH28L NON-MAGNETIC, EH28LNONMAGNETIC, MILH22594, MIL-H-22594, TFZ-28L NON-MAGNETIC, TFZ28LNONMAGNETIC, 106056816000, 106-056816-000, 106-056816-025 NON-MAGNETIC, 106056816025NONMAGNETIC, 4520-01-224-4007, 01-224-4007, 4520012244007, 012244007

Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment

Supply Group (FSG) NSN Assign. NIIN
45 15 JAN 1986 01-224-4007

Cross Reference | NSN 4520-01-224-4007

Part Number Cage Code Manufacturer
106-056816-000 65586 CHROMALOX, INC. DBA OGDEN
106-056816-025 NON-MAGNETIC 65586 CHROMALOX, INC. DBA OGDEN
EH28L NON-MAGNETIC 17032 VALAD ELECTRIC HEATING CORP.
MIL-H-22594 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TFZ-28L NON-MAGNETIC 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED

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Technical Data | NSN 4520-01-224-4007

Characteristic Specifications
HEAT DELIVERY RATE 31595.1 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS 440.0
FREQUENCY IN HERTZ 60.0
PHASE THREE
CURRENT RATING IN AMPS 21.0
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT 12.250 INCHES NOMINAL
WIDTH 38.000 INCHES NOMINAL
DEPTH 8.000 INCHES NOMINAL
INCLOSURE MATERIAL STEEL CORROSION RESISTING
OPERATING CONTROL TYPE ANY ACCEPTABLE
SPECIAL FEATURES NON-MAGNETIC
SPECIFICATION/STANDARD DATA 81349-MIL-H-22594 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 28EH SIZE AND
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594

Restrictions/Controls & Freight Information | NSN 4520-01-224-4007

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 026500 HEATERS WALL INSERT/BASEBOARD TYPE
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 658 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4520-01-224-4007

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each