Tube has 36 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 7035-01-633-9537
NSN 6105-01-014-7570
NSN 5996-01-394-7577
NSN 5996-01-058-8227
NSN 6650-01-651-0842
NSN 5835-01-501-0526
NSN 5835-01-381-9565
NSN 5895-01-076-4204
NSN 6130-01-462-8136
NSN 5950-01-421-9243
NSN 6620-00-391-0374
NSN 6150-01-182-6174