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 5975-01-368-1169
NSN 5920-01-426-1806
NSN 6220-01-113-3257
NSN 5920-00-156-4482
NSN 5930-00-321-1316
NSN 5925-01-151-6518
NSN 5935-01-544-1372
NSN 6610-01-070-0230
NSN 5996-01-420-7585
NSN 6105-00-083-0520
NSN 5935-00-890-0935
NSN 5915-00-936-3824