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 5935-01-311-4121
NSN 6610-01-305-8863
NSN 5905-00-138-3761
NSN 6645-01-446-1994
NSN 6685-00-188-1991
NSN 6150-01-149-7580
NSN 6610-01-484-8980
NSN 5999-00-150-8792
NSN 5945-01-499-1677
NSN 6220-00-849-4100
NSN 5895-00-842-2139
NSN 5960-01-284-1642