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 6645-01-123-7563
NSN 5999-01-343-8346
NSN 6145-01-411-1210
NSN 4140-01-098-0213
NSN 5990-00-129-6651
NSN 4140-00-242-6465
NSN 6105-00-988-2471
NSN 5975-00-906-6299
NSN 5920-01-235-0704
NSN 6130-01-314-5274
NSN 6645-00-794-4576
NSN 6240-01-423-4234