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 6650-00-012-2430
NSN 6105-01-476-3844
NSN 5930-00-984-6394
NSN 6610-01-320-6628
NSN 5910-01-616-0260
NSN 6620-00-783-6018
NSN 6320-01-323-7565
NSN 6620-01-582-2046
NSN 5925-00-160-4747
NSN 6130-00-107-3512
NSN 4140-00-004-4544
NSN 5930-01-444-3869