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 5895-01-382-6875
NSN 5835-00-985-1444
NSN 5930-01-618-0087
NSN 5945-01-646-8818
NSN 5945-01-122-2209
NSN 6105-00-365-4519
NSN 7035-01-216-4806
NSN 5930-01-632-0071
NSN 5910-00-822-6374
NSN 5975-01-243-6831
NSN 5920-01-454-4194
NSN 6650-00-266-6808