Conforms to mil-h-16235c, tube has 60 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 5965-01-469-2504
NSN 5985-00-702-4034
NSN 6150-00-372-5979
NSN 2925-01-327-3069
NSN 5835-01-279-2580
NSN 6110-01-400-4207
NSN 6650-01-266-8762
NSN 5905-01-495-3468
NSN 6145-01-408-5332
NSN 5950-01-221-9604
NSN 5910-01-425-6127
NSN 2925-01-541-7217