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 6220-01-175-9052
NSN 5985-01-208-2455
NSN 2925-00-149-0760
NSN 5910-01-339-6132
NSN 6145-00-663-6133
NSN 5945-01-165-5406
NSN 5905-01-471-7213
NSN 5835-00-119-5585
NSN 5855-00-631-4565
NSN 5935-01-641-4970
NSN 5910-00-155-8775
NSN 5915-01-206-5056