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 5996-01-508-4599
NSN 5905-01-026-2161
NSN 6150-01-168-9381
NSN 5990-01-264-9759
NSN 6110-00-009-0292
NSN 5935-01-304-5120
NSN 5835-01-416-6455
NSN 5895-01-290-2611
NSN 5895-01-549-1908
NSN 5945-00-188-7741
NSN 6685-00-476-9644
NSN 6320-01-412-2973