Tube has 60 fins per ft; conforms to mil-h-16235c
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 6110-00-980-1747
NSN 5835-01-616-6131
NSN 5990-01-651-6364
NSN 5998-01-154-4307
NSN 5905-00-752-0099
NSN 6145-01-599-9466
NSN 5996-01-222-0790
NSN 6685-01-518-6752
NSN 5920-01-025-9381
NSN 7035-00-020-2227
NSN 6320-01-392-6922
NSN 5950-01-649-7024