A unit consisting of a series of metal shells and/or tubes assembled in integral form, utilizing a space enclosed within itself as a combustion chamber for burning fuel. The heat emanating from the burning fuel is absorbed by water circulating through the shells and/or tubes, raising the water temperature to a predetermined degree or changing its physical properties to steam. Excludes high pressure steam boilers over 15 pounds (6.804 kg) gauge working steam pressure.
Classification: Parts for auxiliary plant for use with boilers of heading 8402 or 8403 and condensers for steam or other vapor power units
NSN 5975-01-519-2519
NSN 5996-00-674-9702
NSN 5975-00-239-9784
NSN 7035-01-381-6185
NSN 5945-01-465-5820
NSN 5965-01-633-8849
NSN 5935-01-518-9569
NSN 5945-01-510-3530
NSN 5998-01-086-1395
NSN 5835-01-583-6696
NSN 5999-01-459-8974
NSN 5975-00-023-1937