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 5945-01-208-7737
NSN 5996-00-358-6257
NSN 7035-00-834-2090
NSN 5905-01-464-3833
NSN 6240-01-371-3020
NSN 5920-00-450-8845
NSN 5965-01-182-5768
NSN 2925-01-545-2717
NSN 5996-00-954-0556
NSN 5930-01-025-0658
NSN 5920-01-558-4552
NSN 5925-01-490-6296