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 6620-00-189-0967
NSN 7035-01-460-5117
NSN 6110-01-116-4251
NSN 5985-00-512-0234
NSN 5910-01-118-2177
NSN 5935-01-159-5987
NSN 5935-01-630-9863
NSN 4140-01-106-2559
NSN 5996-00-333-5182
NSN 6320-01-198-4024
NSN 5975-01-152-1266
NSN 6240-00-248-6517