Magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field; tube has 36 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 5895-01-527-5673
NSN 5920-00-733-3538
NSN 5835-00-092-1136
NSN 6685-01-207-3358
NSN 5998-00-557-1671
NSN 6240-01-361-9167
NSN 5835-00-949-3018
NSN 6620-01-612-9030
NSN 5920-01-430-2530
NSN 5990-01-230-8481
NSN 5935-01-256-3544
NSN 5999-00-113-4615