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 6150-00-020-3147
NSN 5930-01-204-7326
NSN 5905-00-363-3590
NSN 5960-00-406-9985
NSN 5999-01-017-5151
NSN 4140-00-542-4611
NSN 6130-01-655-1948
NSN 6620-00-596-1951
NSN 5998-00-406-4908
NSN 6110-00-287-9158
NSN 6645-00-287-9192
NSN 6610-00-661-1797