Magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field; tube has 36 fins per ft
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.
Classification: Air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel
NSN 5905-00-102-6066
NSN 5920-01-619-0958
NSN 5925-01-618-3746
NSN 6610-01-328-1523
NSN 6105-01-136-5978
NSN 6240-01-098-6410
NSN 6650-01-479-1297
NSN 5990-00-665-4105
NSN 5930-00-189-2092
NSN 5920-01-507-9815
NSN 5990-00-819-9949
NSN 5910-00-566-7378