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 5910-01-265-4689
NSN 5895-01-539-8797
NSN 6135-00-231-7257
NSN 6645-00-859-8404
NSN 5925-00-224-7474
NSN 5930-01-395-5842
NSN 5930-01-590-8390
NSN 6145-01-113-8205
NSN 5855-01-415-3987
NSN 5945-00-409-6025
NSN 5935-01-537-0095
NSN 6320-01-227-2648