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 6650-00-515-6002
NSN 5999-01-504-2345
NSN 5950-01-501-5049
NSN 5930-01-265-6888
NSN 5999-01-589-4587
NSN 5945-00-880-1846
NSN 5950-00-264-5646
NSN 6650-01-473-4353
NSN 5950-00-089-9620
NSN 6645-00-442-7128
NSN 5910-01-480-2904
NSN 6130-01-224-7393