Tube has 60 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 6135-01-278-9717
NSN 5835-01-263-1293
NSN 6110-01-020-9150
NSN 6130-01-288-6897
NSN 6645-00-505-6026
NSN 6620-01-008-8037
NSN 5930-00-171-5087
NSN 5996-01-064-6969
NSN 5950-01-370-3555
NSN 5920-01-327-2570
NSN 6150-01-202-3237
NSN 5998-01-573-6243