Part 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.
Alternate Parts: MILH22594A, MIL-H-22594A, EH28HNM, EH28HNM, 4520-01-408-5781, 01-408-5781, 4520014085781, 014085781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 45 | FEB 21, 1995 | 01-408-5781 | 07531 ( HEATER, VENTILATION, DUCT TYPE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4520-01-408-5781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-H-22594A | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| EH28HNM | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| EH28HNM | 17032 | VALAD ELECTRIC HEATING CORP. |
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 |