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 4140-01-510-2729
NSN 5910-01-426-2043
NSN 5990-00-116-6590
NSN 6610-01-018-7426
NSN 6610-01-256-6337
NSN 5950-01-254-9961
NSN 5835-01-013-8797
NSN 5985-01-141-0875
NSN 5965-00-275-0491
NSN 6610-00-906-0821
NSN 5965-00-275-0491
NSN 5915-01-478-7464