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 6150-01-445-9942
NSN 6130-01-487-4061
NSN 5910-00-016-0622
NSN 5895-01-492-2629
NSN 6320-01-084-8821
NSN 5996-00-583-0607
NSN 6110-00-960-4437
NSN 5905-00-024-1304
NSN 5950-01-144-5035
NSN 5985-00-031-2368
NSN 5835-01-160-7282
NSN 7035-00-300-3208