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 6320-00-583-3104
NSN 6130-00-277-4402
NSN 5920-00-311-3953
NSN 5990-00-853-6636
NSN 5960-01-323-6432
NSN 5965-00-275-0491
NSN 7035-01-361-3262
NSN 6240-01-336-3580
NSN 5945-00-131-1823
NSN 5925-01-342-9481
NSN 6135-01-464-2075
NSN 5920-01-410-2893