Tube has 60 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 5910-01-323-2305
NSN 2925-00-774-8247
NSN 5915-01-368-2895
NSN 5945-00-482-5771
NSN 5930-00-250-6708
NSN 6145-01-441-2252
NSN 5996-01-285-2353
NSN 6320-01-506-9439
NSN 2925-01-629-9416
NSN 6610-01-340-1761
NSN 6610-01-415-5877
NSN 5920-00-961-6184