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 6610-01-461-8180
NSN 4140-01-051-4428
NSN 6145-01-003-9741
NSN 6105-01-422-3765
NSN 5950-01-342-4528
NSN 5999-00-200-6233
NSN 5945-01-502-0015
NSN 6130-00-670-7758
NSN 6240-00-050-4522
NSN 6620-01-173-3284
NSN 6130-00-275-5929
NSN 5965-00-644-0339