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 7035-00-679-9027
NSN 5835-01-238-3381
NSN 5910-01-573-6538
NSN 5895-00-884-5298
NSN 5855-00-361-0167
NSN 5910-01-521-4415
NSN 6610-01-382-7894
NSN 6150-01-449-2634
NSN 6685-01-392-1513
NSN 5895-01-262-2195
NSN 5990-01-649-0635
NSN 5835-00-754-7255