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 6220-01-158-8073
NSN 6105-01-557-1951
NSN 6240-01-125-6901
NSN 5855-01-529-6361
NSN 6645-01-538-9655
NSN 5999-00-761-6062
NSN 6220-00-106-9666
NSN 6320-01-216-1678
NSN 5999-00-627-6087
NSN 5998-01-446-2333
NSN 6150-01-379-4634
NSN 5996-00-013-9302