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 7035-01-023-7859
NSN 6135-01-134-7222
NSN 5996-01-320-6587
NSN 5999-01-256-6046
NSN 5905-01-322-7983
NSN 5975-01-536-9613
NSN 6220-00-155-8007
NSN 5960-00-368-4084
NSN 5965-01-237-3342
NSN 6105-00-001-1712
NSN 6240-01-362-7128
NSN 5915-01-512-8851