NSN 4520-01-408-5781 EH28HNM, MILH22594A, MIL-H-22594A
Product Details | DUCT TYPE VENTILATION HEATER
4520-01-408-5781 A heat transferring unit utilizing a separate source of steam or hot water as the heat transfer medium. It consists of finned parallel tubes joined together by a header or headers and is designed for installation in the ducts of a forced air circulating system. It may be provided with a flanged outer casing to facilitate mounting of the unit 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: EH28HNM, MILH22594A, MIL-H-22594A, 4520-01-408-5781, 01-408-5781, 4520014085781, 014085781
Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 45 | 21 FEB 1995 | 01-408-5781 | 07531 ( HEATER, VENTILATION, DUCT TYPE ) |
Demand History | NSN 4520-01-408-5781
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| EH28HNM | 2020-01-22 | 1 | DIBBS |
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Technical Data | NSN 4520-01-408-5781
| Characteristic | Specifications |
|---|---|
| HEAT DELIVERY RATE | 93000.0 BRITISH THERMAL UNIT |
| HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |
| HEAT MEDIUM TYPE | AIR |
| MAXIMUM PRESSURE LIMIT | 60.0 POUNDS PER SQUARE INCH GAGE |
| MOUNTING TYPE | VENTILATION DUCT |
| HEIGHT | 8.000 INCHES NOMINAL |
| WIDTH | 38.000 INCHES NOMINAL |
| DEPTH | 12.250 INCHES NOMINAL |
| HEAT OUTLET QUANTITY | 1 |
| HEAT DELIVERY DIRECTION | HORIZONTAL |
| HEAT DISCHARGE OUTLET TYPE | STATIONARY |
| HEAT DIRECTING DEVICE | FLEXIBLE DUCTS |
| INCLOSURE MATERIAL | STEEL CORROSION RESISTING |
| OPERATING CONTROL TYPE | AUTOMATIC CONTROL SWITCH |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-H-22594A |
Restrictions/Controls & Freight Information | NSN 4520-01-408-5781
| 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 4520-01-408-5781
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 |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |