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 5930-01-463-9306
NSN 5835-00-794-7500
NSN 5835-00-851-6470
NSN 7035-01-369-1445
NSN 5990-00-274-3225
NSN 6150-01-600-6874
NSN 5945-01-279-0325
NSN 5895-00-833-2525
NSN 5996-01-596-6400
NSN 5996-00-069-0083
NSN 6610-01-206-3921
NSN 4140-00-243-6664