NSN 4520-01-121-1690 RTNM421, RTNM42-1, 003057042000
Product Details | STATIONARY DUCT TYPE HEATER
4520-01-121-1690 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: RTNM421, RTNM42-1, 003057042000, 003-057042-000, 003057042002, 003-057042-002, 4520-01-121-1690, 01-121-1690, 4520011211690, 011211690
Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 45 | 31 OCT 1981 | 01-121-1690 | 17014 ( HEATER, DUCT TYPE, STATIONARY ) |
Demand History | NSN 4520-01-121-1690
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 003-057042-002 | 2025-04-106 | 11 | DIBBS |
| RTNM42-1 | 2025-04-106 | 11 | DIBBS |
| 003-057042-002 | 2024-06-154 | 18 | DIBBS |
| RTNM42-1 | 2024-06-154 | 18 | DIBBS |
| 003-057042-002 | 2024-02-39 | 17 | DIBBS |
| RTNM42-1 | 2024-02-39 | 17 | DIBBS |
| 003-057042-002 | 2023-12-347 | 17 | DIBBS |
| RTNM42-1 | 2023-12-347 | 17 | DIBBS |
| 003-057042-002 | 2023-02-39 | 17 | DIBBS |
| RTNM42-1 | 2023-02-39 | 17 | DIBBS |
| 003-057042-002 | 2022-11-320 | 12 | DIBBS |
| RTNM42-1 | 2022-11-320 | 12 | DIBBS |
| 003-057042-002 | 2020-01-30 | 21 | DIBBS |
| RTNM42-1 | 2020-01-30 | 21 | DIBBS |
| 003-057042-002 | 2019-09-265 | 11 | DIBBS |
| RTNM42-1 | 2019-09-265 | 11 | DIBBS |
| 003-057042-002 | 2019-03-80 | 13 | DIBBS |
| RTNM42-1 | 2019-03-80 | 13 | DIBBS |
| 4520-01-121-1690 | 2017-11-309 | 17 | DIBBS |
| 4520-01-121-1690 | 2015-10-277 | 16 | DIBBS |
| 4520-01-121-1690 | 2015-07-200 | 3 | DIBBS |
| 4520-01-121-1690 | 2014-04-104 | 23 | DIBBS |
| 4520-01-121-1690 | 2014-04-93 | 23 | DIBBS |
| 4520-01-121-1690 | 2013-02-59 | 18 | DIBBS |
| 4520-01-121-1690 | 2012-07-206 | 4 | DIBBS |
| 4520-01-121-1690 | 2012-06-174 | 3 | DIBBS |
| 4520-01-121-1690 | 2011-01-27 | 3 | DIBBS |
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Technical Data | NSN 4520-01-121-1690
| Characteristic | Specifications |
|---|---|
| HEAT DELIVERY RATE | 3412.0 BRITISH THERMAL UNIT |
| CURRENT TYPE | AC |
| VOLTAGE IN VOLTS | 440.0 |
| FREQUENCY IN HERTZ | 50.0 OR 60.0 |
| PHASE | SINGLE |
| CURRENT RATING IN AMPS | 2.3 |
| HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |
| HEAT MEDIUM TYPE | AIR |
| MOUNTING TYPE | VENTILATION DUCT |
| HEIGHT | 6.000 INCHES NOMINAL |
| WIDTH | 22.000 INCHES NOMINAL |
| DEPTH | 6.000 INCHES NOMINAL |
| INCLOSURE MATERIAL | STEEL |
| SURFACE TREATMENT | PAINT |
| OPERATING CONTROL TYPE | ANY ACCEPTABLE |
Restrictions/Controls & Freight Information | NSN 4520-01-121-1690
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item 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 4520-01-121-1690
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |