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 5945-01-504-9722
NSN 5930-01-267-5368
NSN 6650-01-178-5644
NSN 5999-01-474-6962
NSN 5945-00-068-8389
NSN 6220-00-313-4386
NSN 6130-01-269-9144
NSN 6105-00-491-9945
NSN 6150-01-036-0646
NSN 5920-00-465-8488
NSN 6240-00-299-6468
NSN 7035-01-254-3606