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 5990-01-003-4209
NSN 5960-00-333-8174
NSN 7035-01-457-5645
NSN 5915-01-364-2251
NSN 6240-01-312-2061
NSN 6645-00-171-9251
NSN 5996-00-852-8329
NSN 5975-01-132-0223
NSN 5905-00-615-6699
NSN 5905-00-222-5051
NSN 6110-01-213-6244
NSN 6220-01-483-0774