A closed metal vessel consisting of a drum(s) or shell and necessary tubes, fittings and direct connected end items. It is designed to convert water into steam by application of heat. Excludes low pressure boilers under 15 pounds (6.804 kg) per square inch (645.2 sq mm) gage steam pressure and evaporators.
NSN 6150-01-378-0799
NSN 6135-00-919-1117
NSN 5905-01-482-9149
NSN 6130-01-265-2767
NSN 5915-01-236-6734
NSN 5975-01-158-6150
NSN 6650-00-021-2467
NSN 5920-01-105-0684
NSN 6645-01-609-4753
NSN 5945-00-651-6012
NSN 6685-01-193-4125
NSN 6220-01-381-1793