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 5999-00-542-0541
NSN 6645-00-215-8567
NSN 5855-01-147-4785
NSN 6150-01-634-0575
NSN 5915-00-452-2227
NSN 5855-01-433-2220
NSN 5985-01-186-8404
NSN 5925-00-822-0261
NSN 6650-01-652-9980
NSN 5915-01-359-4847
NSN 5965-00-139-4870
NSN 5855-00-951-6483