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 5935-00-088-0233
NSN 5985-01-367-1425
NSN 5950-00-823-6328
NSN 5935-00-837-1908
NSN 5985-01-378-6072
NSN 6145-01-538-2052
NSN 5990-00-707-0731
NSN 6105-00-781-5047
NSN 5950-01-367-4516
NSN 7035-00-455-7666
NSN 5855-00-147-2508
NSN 5965-01-391-8104