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 5935-00-287-9898
NSN 5895-01-602-8348
NSN 6145-01-264-9199
NSN 6320-00-593-0379
NSN 6105-01-268-9380
NSN 5996-01-442-5218
NSN 5905-00-099-9995
NSN 5915-01-175-0190
NSN 5990-00-167-2692
NSN 5999-00-007-5210
NSN 5930-01-367-2786
NSN 5998-00-578-0767