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 5855-00-832-9341
NSN 2925-01-079-6229
NSN 6135-00-043-4312
NSN 5895-01-433-4720
NSN 6610-01-511-0982
NSN 6620-01-074-2882
NSN 5905-00-649-9075
NSN 6105-01-350-3333
NSN 5998-00-833-1534
NSN 5965-01-061-3724
NSN 6320-01-170-4068
NSN 5990-01-246-2488