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 5990-00-269-2226
NSN 5930-01-502-7156
NSN 5835-00-399-5358
NSN 5910-01-427-3819
NSN 6150-01-535-9937
NSN 5998-01-504-1120
NSN 5930-00-959-0077
NSN 5930-01-181-7367
NSN 6650-00-891-9850
NSN 5905-00-201-2273
NSN 5998-01-308-2186
NSN 5965-01-178-2367