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 6145-01-554-0032
NSN 5975-01-324-8982
NSN 7035-01-305-1950
NSN 6105-00-037-0130
NSN 5960-01-236-6389
NSN 6320-01-054-3046
NSN 6135-00-958-7981
NSN 5998-01-216-2096
NSN 5895-01-142-0937
NSN 5965-01-449-9343
NSN 6150-01-661-0165
NSN 5905-00-199-5770