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 6650-01-152-0665
NSN 5935-00-410-1712
NSN 2925-00-696-6278
NSN 6610-01-494-9853
NSN 6650-01-564-6681
NSN 5960-01-439-9517
NSN 6220-01-278-9369
NSN 5915-01-167-8506
NSN 5835-01-647-6426
NSN 2925-01-076-5219
NSN 6645-00-551-8291
NSN 5996-01-279-9841