Tube has 36 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 6610-01-243-8506
NSN 6130-01-079-9713
NSN 5960-01-081-0400
NSN 5930-01-554-3579
NSN 6110-01-333-1741
NSN 5985-01-347-0347
NSN 5915-00-448-5053
NSN 5835-00-231-9544
NSN 6150-01-411-5216
NSN 5950-01-309-6754
NSN 5910-01-406-4317
NSN 6240-01-024-5006