A tubular item, usually pre-bent forming part of the heating surface area of a high pressure steam boiler.
Classification: Parts for steam or other vapor generating boilers and super-heated water boilers, except heat exchangers
NSN 7035-01-128-7431
NSN 5895-01-549-5480
NSN 6130-01-174-2191
NSN 6240-01-068-3491
NSN 6145-01-381-8911
NSN 5999-00-035-4999
NSN 5920-00-942-0027
NSN 5990-01-179-5625
NSN 6105-00-923-8514
NSN 6110-00-377-9160
NSN 5945-00-448-9573
NSN 5835-01-364-6830