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 5920-01-241-3227
NSN 6645-00-892-5750
NSN 6145-01-634-0388
NSN 5925-01-445-6112
NSN 6105-01-206-3738
NSN 6150-01-536-0785
NSN 6240-00-603-6662
NSN 6145-01-514-7737
NSN 6685-01-523-7308
NSN 5910-01-633-9963
NSN 5996-01-336-1479
NSN 6110-01-534-3881