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 5950-01-056-5157
NSN 5960-01-323-0024
NSN 5920-01-417-1928
NSN 6220-01-413-2016
NSN 5975-01-286-7578
NSN 5895-01-565-0362
NSN 6130-00-394-6555
NSN 6130-01-225-6715
NSN 6110-01-633-9660
NSN 5999-00-868-3035
NSN 6150-01-314-0918
NSN 6610-01-571-8038