Product Details | STATIONARY DUCT TYPE HEATER

4520-01-212-7552 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: EH20M, EH20-M, MILH22594, MIL-H-22594, TFZ20M, TFZ-20M, 106056816000, 106-056816-000, 106056816002, 106-056816-002, 2101898241, 210-18982-41, 4520-01-212-7552, 01-212-7552, 4520012127552, 012127552

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

Supply Group (FSG) NSN Assign. NIIN
45 18 JUL 1985 01-212-7552

Demand History | NSN 4520-01-212-7552

Part Number Request Date QTY Origin
4520-01-212-7552 2024-01-10 7 DIBBS
4520-01-212-7552 2023-05-123 3 DIBBS
4520-01-212-7552 2022-03-83 3 DIBBS
4520-01-212-7552 2015-07-203 7 DIBBS
4520-01-212-7552 2015-06-172 7 DIBBS

Cross Reference | NSN 4520-01-212-7552

Part Number Cage Code Manufacturer
106-056816-000 65586 CHROMALOX, INC. DBA OGDEN
106-056816-002 65586 CHROMALOX, INC. DBA OGDEN
210-18982-41 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED
EH20-M 17032 VALAD ELECTRIC HEATING CORP.
MIL-H-22594 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TFZ-20M 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED

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Technical Data | NSN 4520-01-212-7552

Characteristic Specifications
HEAT DELIVERY RATE 1978.9 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS 115.0
FREQUENCY IN HERTZ 50.0 OR
PHASE THREE
CURRENT RATING IN AMPS 5.0
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT 6.250 INCHES NOMINAL
WIDTH 13.000 INCHES NOMINAL
DEPTH 6.000 INCHES NOMINAL
INCLOSURE MATERIAL STEEL
SURFACE TREATMENT ZINC
SPECIAL FEATURES MAGNETIC
SPECIFICATION/STANDARD DATA 81349-MIL-H-22594 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 20EH SIZE AND
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594

Restrictions/Controls & Freight Information | NSN 4520-01-212-7552

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 026520 HEATERS WATER
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 736 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 E Engineer supplies, other than those listed under code B.
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 4520-01-212-7552

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each