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 4140-01-461-7885
NSN 6135-01-251-2095
NSN 6110-00-225-9021
NSN 6110-01-418-2578
NSN 5960-01-258-5615
NSN 5915-01-595-2266
NSN 6650-00-294-0881
NSN 6645-00-864-6794
NSN 5835-00-025-9951
NSN 6650-00-804-2039
NSN 5965-00-661-0469
NSN 6135-01-010-0891