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 5985-00-977-1248
NSN 6110-01-211-1793
NSN 6650-01-095-8024
NSN 5950-01-254-5250
NSN 5905-01-029-8421
NSN 6610-00-506-1977
NSN 6105-00-924-8944
NSN 6620-00-221-6639
NSN 6105-01-555-4426
NSN 5965-00-073-3488
NSN 6320-01-631-7828
NSN 6150-01-365-5019