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 5895-01-132-3779
NSN 5999-00-189-7500
NSN 6650-00-401-7896
NSN 2925-01-251-9529
NSN 6610-00-080-8839
NSN 6105-01-471-6780
NSN 6610-00-740-7103
NSN 6645-00-510-6643
NSN 5920-00-510-7656
NSN 5930-01-055-4312
NSN 6220-00-631-7113
NSN 6240-01-406-5345