Product Details | STATIONARY DUCT TYPE HEATER

4520-01-117-9441 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: EH30L, MILH22594, MIL-H-22594, MIL-H-22594 30EH TYP L, MILH2259430EHTYPL, TFZ30L, TFZ-30L, VDH30L, 106056816031, 106-056816-031, 810324, 81-0324, 4520-01-117-9441, 01-117-9441, 4520011179441, 011179441

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

Supply Group (FSG) NSN Assign. NIIN
45 24 AUG 1981 01-117-9441

Demand History | NSN 4520-01-117-9441

Part Number Request Date QTY Origin
4520-01-117-9441 2025-11-328 7 DIBBS
4520-01-117-9441 2025-11-317 7 DIBBS
4520-01-117-9441 2025-04-118 7 DIBBS
4520-01-117-9441 2025-04-106 7 DIBBS
4520-01-117-9441 2023-05-123 3 DIBBS
4520-01-117-9441 2021-11-308 3 DIBBS
4520-01-117-9441 2021-08-218 1 United States
4520-01-117-9441 2018-05-151 5 DIBBS
4520-01-117-9441 2018-05-140 5 DIBBS
4520-01-117-9441 2015-11-315 4 DIBBS
4520-01-117-9441 2015-10-302 4 DIBBS
4520-01-117-9441 2015-02-47 2 DIBBS
4520-01-117-9441 2014-07-187 2 DIBBS

Cross Reference | NSN 4520-01-117-9441

Part Number Cage Code Manufacturer
106-056816-031 65586 CHROMALOX, INC. DBA OGDEN
81-0324 17032 VALAD ELECTRIC HEATING CORP.
EH30L 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED
MIL-H-22594 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-H-22594 30EH TYP L 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TFZ-30L 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED
VDH30L 17032 VALAD ELECTRIC HEATING CORP.

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4520-01-117-9441

Technical Data | NSN 4520-01-117-9441

Characteristic Specifications
HEAT DELIVERY RATE 52203.6 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS 440.0
FREQUENCY IN HERTZ 60.0
PHASE THREE
CURRENT RATING IN AMPS 34.8
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT 18.250 INCHES NOMINAL
WIDTH 39.000 INCHES NOMINAL
DEPTH 8.000 INCHES NOMINAL
DUCT HEIGHT 15.250 INCHES
DUCT WIDTH 30.000 INCHES
INCLOSURE MATERIAL STEEL OR STEEL CORROSION RESISTING
SURFACE TREATMENT PAINT OR PASSIVATE
OPERATING CONTROL TYPE ANY ACCEPTABLE
SPECIAL FEATURES MAGNETIC
NONDEFINITIVE SPEC/STD DATA 30EH SIZE AND L TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594 30EH TYP L

Restrictions/Controls & Freight Information | NSN 4520-01-117-9441

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 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
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 4520-01-117-9441

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