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 5945-00-446-2867
NSN 5945-01-505-0950
NSN 5855-00-149-0766
NSN 4140-01-556-8911
NSN 6130-01-083-1521
NSN 6650-00-710-8130
NSN 7035-00-096-9986
NSN 6610-01-233-5857
NSN 2925-00-909-2596
NSN 6650-01-546-3605
NSN 6105-00-196-3602
NSN 5920-01-131-9714