Conforms to mil-h-16235c, tube has 60 fins per ft.
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 5935-01-168-8183
NSN 5915-01-467-1630
NSN 5990-00-045-7929
NSN 5950-00-264-5646
NSN 5985-01-180-8228
NSN 6645-01-076-4655
NSN 5999-00-340-1364
NSN 6220-01-649-5291
NSN 5998-01-083-5195
NSN 6650-00-170-5095
NSN 5999-01-160-6595
NSN 5905-00-561-4161