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 5910-00-553-7367
NSN 5960-01-462-7704
NSN 5998-01-303-6218
NSN 5985-01-268-5297
NSN 5930-00-964-9297
NSN 5905-01-395-9075
NSN 6105-01-312-6055
NSN 6620-01-578-7561
NSN 5960-01-560-8461
NSN 5965-00-199-4456
NSN 5930-00-446-4811
NSN 6240-01-328-6352