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 5999-01-437-6770
NSN 6135-00-793-1809
NSN 6620-01-207-0667
NSN 5910-01-538-7326
NSN 5905-01-423-1541
NSN 5910-01-096-2898
NSN 6610-00-447-8976
NSN 6130-01-449-0782
NSN 5915-01-593-7113
NSN 4140-01-459-7411
NSN 2925-01-541-5031
NSN 5935-01-169-8180