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 6620-00-398-0320
NSN 6610-01-388-0563
NSN 5950-01-338-6752
NSN 2925-01-100-3694
NSN 6110-00-906-6244
NSN 6240-01-181-4474
NSN 5975-01-041-1477
NSN 5960-01-093-1919
NSN 6620-01-421-3917
NSN 6130-00-357-9368
NSN 6110-00-227-0578
NSN 5990-00-087-6177