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 5996-01-461-3464
NSN 5985-00-125-0708
NSN 6220-01-445-7673
NSN 6645-00-222-0471
NSN 6620-01-226-4065
NSN 6645-00-295-8535
NSN 5915-00-402-0061
NSN 5920-01-079-8924
NSN 6110-01-126-8402
NSN 5915-01-139-3321
NSN 6220-00-801-0801
NSN 6320-01-362-9518