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 6135-00-998-5884
NSN 5999-01-190-7031
NSN 2925-00-876-0762
NSN 5895-00-073-5071
NSN 6620-00-973-7946
NSN 5945-01-202-0146
NSN 6320-01-046-5228
NSN 6135-01-069-2482
NSN 6320-01-582-0161
NSN 5990-01-492-9887
NSN 6130-00-421-5336
NSN 6130-01-504-6350