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 6150-01-359-4876
NSN 5999-01-246-6147
NSN 5999-01-192-3975
NSN 5999-01-605-9160
NSN 6320-01-260-7390
NSN 6620-00-522-6693
NSN 5965-01-133-7459
NSN 5960-01-226-7297
NSN 5925-00-425-6228
NSN 6130-01-019-4064
NSN 6645-00-497-3495
NSN 5905-01-026-2161