Product Details | STATIONARY DUCT TYPE HEATER

4520-01-541-0657 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: VDHL18X1624170318CBD, 240875120506, 24087-512-0506, 4520-01-541-0657, 01-541-0657, 4520015410657, 015410657

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

Supply Group (FSG) NSN Assign. NIIN
45 14 JUN 2006 01-541-0657

Demand History | NSN 4520-01-541-0657

Part Number Request Date QTY Origin
VDHL-18X16-2(417.0-3)-18CBD 2019-04-120 1 DIBBS
VDHL-18X16-2(417.0-3)-18CBD 2019-04-93 1 DIBBS
4520-01-541-0657 2018-06-179 1 DIBBS
4520-01-541-0657 2018-06-154 1 DIBBS
4520-01-541-0657 2017-05-135 1 DIBBS

Cross Reference | NSN 4520-01-541-0657

Part Number Cage Code Manufacturer
24087-512-0506 0V369 IMECO, INC.
VDHL-18X16-2(417.0-3)-18CBD 0V369 IMECO, INC.

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Technical Data | NSN 4520-01-541-0657

Characteristic Specifications
CURRENT TYPE AC
VOLTAGE IN VOLTS 450.0
FREQUENCY IN HERTZ 60.0
PHASE THREE
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT 483.0 MILLIMETERS NOMINAL
WIDTH 746.0 MILLIMETERS NOMINAL
DEPTH 368.0 MILLIMETERS NOMINAL
HEAT DELIVERY DIRECTION HORIZONTAL
CIRCULATED AIR TYPE HEATED
OPERATING CONTROL TYPE THERMOSTATIC
SPECIAL FEATURES KW RATING IS 17.0; THERE IS A PORTABLE SECTION OF DUCT ON ONE SIDE OF THE DUCT HEATER OR AN ACCESS PLATE FOR ACCESS TO THE HEATER COIL; WEIGHT IS 45.45 KG
III PART NAME ASSIGNED BY CONTROLLING AGENCY RH H18 DUCT HEATER

Restrictions/Controls & Freight Information | NSN 4520-01-541-0657

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 576 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4520-01-541-0657

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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