Conforms to mil-h-16235c, tube has 60 fins per ft.
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 2925-01-565-6410
NSN 5985-01-103-5680
NSN 5998-01-492-7838
NSN 6685-00-825-8038
NSN 6610-00-766-7923
NSN 5975-01-168-7643
NSN 5855-01-149-4110
NSN 5999-01-391-8111
NSN 6110-01-494-3003
NSN 5910-00-138-6964
NSN 6610-00-562-5852
NSN 5965-01-121-2319