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 5930-00-001-3205
NSN 6620-00-466-2314
NSN 6130-00-115-0574
NSN 5960-01-219-5504
NSN 2925-01-629-9416
NSN 5990-01-139-6042
NSN 6110-00-408-5697
NSN 5910-01-254-6097
NSN 5915-00-079-8694
NSN 6320-01-462-3555
NSN 6135-00-603-4859
NSN 5965-00-106-3195