Product Details | STATIONARY DUCT TYPE HEATER

4520-01-233-4731 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: EH26M, MILH22594, MIL-H-22594, MILH22594 26EH TYPEM, MILH2259426EHTYPEM, TFZ26M, TFZ-26M, 106056816020, 106-056816-020, 4520-01-233-4731, 01-233-4731, 4520012334731, 012334731

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

Supply Group (FSG) NSN Assign. NIIN
45 30 MAY 1986 01-233-4731

Demand History | NSN 4520-01-233-4731

Part Number Request Date QTY Origin
4520-01-233-4731 2023-03-79 1 United States
4520-01-233-4731 2023-03-79 1 United States
4520-01-233-4731 2008-12-346 6 DIBBS

Cross Reference | NSN 4520-01-233-4731

Part Number Cage Code Manufacturer
106-056816-020 65586 CHROMALOX, INC. DBA OGDEN
EH26M 17032 VALAD ELECTRIC HEATING CORP.
MIL-H-22594 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILH22594 26EH TYPEM 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TFZ-26M 74924 INDUSTRIAL ENGINEERING AND EQUIPMENT COMPANY, INCORPORATED

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Technical Data | NSN 4520-01-233-4731

Characteristic Specifications
HEAT DELIVERY RATE 31049.2 BRITISH THERMAL UNIT
CURRENT TYPE AC
VOLTAGE IN VOLTS 440.0
FREQUENCY IN HERTZ 60.0
PHASE THREE
CURRENT RATING IN AMPS 20.7
HEATING ELEMENT TYPE ELECTRIC NONIMMERSION
HEAT MEDIUM TYPE AIR
MOUNTING TYPE VENTILATION DUCT
HEIGHT 9.250 INCHES NOMINAL
WIDTH 29.000 INCHES NOMINAL
DEPTH 8.000 INCHES NOMINAL
DUCT HEIGHT 6.250 INCHES
DUCT WIDTH 22.000 INCHES
INCLOSURE MATERIAL STEEL
SURFACE TREATMENT PAINT
SPECIAL FEATURES MAGNETIC
SPECIFICATION/STANDARD DATA 81349-MIL-H-22594 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 26 SIZE AND
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-22594
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILH22594 26EH TYPEM

Restrictions/Controls & Freight Information | NSN 4520-01-233-4731

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 027520 STOVES R RANGES GAS NOI ETC
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 576 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 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 4520-01-233-4731

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each