Product Details | STATIONARY DUCT TYPE HEATER

4520-01-134-3502 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: EH21M, MILH22594, MIL-H-22594, MIL-H-22594 21E H TYP M, MILH22594 21EH TYPEM, MILH2259421EHTYPEM, MILH2259421EHTYPM, TFZ21M, TFZ-21M, VDH21M, VDH-21M, 106056816005, 106-056816-005, 831107, 83-1107, 4520-01-134-3502, 01-134-3502, 4520011343502, 011343502

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

Supply Group (FSG) NSN Assign. NIIN
45 03 JUL 1982 01-134-3502

Demand History | NSN 4520-01-134-3502

Part Number Request Date QTY Origin
4520-01-134-3502 2024-03-20 6 DIBBS
4520-01-134-3502 2019-04-12 1 US
4520-01-134-3502 2015-05-11 6 DIBBS
4520-01-134-3502 2015-04-30 6 DIBBS
4520-01-134-3502 2014-12-15 1 DIBBS
4520-01-134-3502 2014-12-03 1 DIBBS
4520-01-134-3502 2013-10-17 1 DIBBS
4520-01-134-3502 2013-06-30 1 DIBBS
4520-01-134-3502 2012-02-01 2 DIBBS
4520-01-134-3502 2011-11-16 2 DIBBS
4520-01-134-3502 2011-11-01 2 DIBBS
4520-01-134-3502 2010-12-08 4 DIBBS

Cross Reference | NSN 4520-01-134-3502

Part Number Cage Code Manufacturer
106-056816-005 65586 CHROMALOX, INC. DBA OGDEN
83-1107 17032 VALAD ELECTRIC HEATING CORP.
EH21M 17032 VALAD ELECTRIC HEATING CORP.
MIL-H-22594 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-H-22594 21E H TYP M D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MILH22594 21EH TYPEM 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TFZ-21M 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED
VDH-21M D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Technical Data | NSN 4520-01-134-3502

Characteristic Specifications
HEAT DELIVERY RATE 4299.1 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS 115.0
FREQUENCY IN HERTZ 60.0
PHASE SINGLE
CURRENT RATING IN AMPS 11.0
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 OR STEEL CORROSION RESISTING
SURFACE TREATMENT PAINT
OPERATING CONTROL TYPE ANY ACCEPTABLE
SPECIAL FEATURES MAGNETIC
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILH22594 21EH TYPEM

Restrictions/Controls & Freight Information | NSN 4520-01-134-3502

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 4520-01-134-3502

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