NSN 4520-01-298-5221 TFZ29M, TFZ-29M, VDH-29EH-TYPE M
Product Details | STATIONARY DUCT TYPE HEATER
4520-01-298-5221 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: TFZ29M, TFZ-29M, VDH-29EH-TYPE M, VDH29EHTYPEM, 106056816029, 106-056816-029, 4520-01-298-5221, 01-298-5221, 4520012985221, 012985221
Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 45 | 18 APR 1989 | 01-298-5221 | 17014 ( HEATER, DUCT TYPE, STATIONARY ) |
Demand History | NSN 4520-01-298-5221
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 106-056816-029 | 2024-03-66 | 6 | DIBBS |
| TFZ-29M | 2024-03-66 | 6 | DIBBS |
| VDH-29EH-TYPE M | 2024-03-66 | 6 | DIBBS |
| 106-056816-029 | 2020-02-35 | 3 | DIBBS |
| TFZ-29M | 2020-02-35 | 3 | DIBBS |
| VDH-29EH-TYPE M | 2020-02-35 | 3 | DIBBS |
| 4520-01-298-5221 | 2017-12-348 | 5 | DIBBS |
| 4520-01-298-5221 | 2016-04-97 | 5 | DIBBS |
| 4520-01-298-5221 | 2016-01-04 | 4 | DIBBS |
| 4520-01-298-5221 | 2015-12-357 | 4 | DIBBS |
| 4520-01-298-5221 | 2013-05-121 | 6 | DIBBS |
| 4520-01-298-5221 | 2012-05-125 | 2 | DIBBS |
| 4520-01-298-5221 | 2011-05-144 | 1 | DIBBS |
| 4520-01-298-5221 | 2010-12-337 | 2 | DIBBS |
| 4520-01-298-5221 | 2010-02-58 | 1 | DIBBS |
| 4520-01-298-5221 | 2010-02-55 | 3 | DIBBS |
| 4520-01-298-5221 | 2008-11-308 | 5 | DIBBS |
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Technical Data | NSN 4520-01-298-5221
| Characteristic | Specifications |
|---|---|
| HEAT DELIVERY RATE | 82911.6 BRITISH THERMAL UNIT |
| CURRENT TYPE | AC |
| VOLTAGE IN VOLTS | 440.0 |
| FREQUENCY IN HERTZ | 60.0 |
| PHASE | THREE |
| CURRENT RATING IN AMPS | 55.22 |
| HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |
| HEAT MEDIUM TYPE | AIR |
| MOUNTING TYPE | VENTILATION DUCT |
| HEIGHT | 15.250 INCHES NOMINAL |
| WIDTH | 38.000 INCHES NOMINAL |
| DEPTH | 8.000 INCHES NOMINAL |
| DUCT HEIGHT | 12.250 INCHES |
| DUCT WIDTH | 30.000 INCHES |
| INCLOSURE MATERIAL | ANY ACCEPTABLE |
| OPERATING CONTROL TYPE | THERMOSTATIC |
| SPECIFICATION/STANDARD DATA | 81349-MIL-H-22594 GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | 29EH SIZE AND M TYPE |
Restrictions/Controls & Freight Information | NSN 4520-01-298-5221
| 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 | 026520 | HEATERS WATER |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 736 | 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 | E | Engineer supplies, other than those listed under code B. |
| 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 4520-01-298-5221
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable 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 | Z | INSURANCE/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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |