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 2925-00-447-0788
NSN 5935-00-191-3702
NSN 5910-01-020-7700
NSN 5910-00-604-8326
NSN 6620-01-069-8594
NSN 5950-00-521-2678
NSN 5925-00-517-8512
NSN 6685-01-334-6091
NSN 5935-00-961-1618
NSN 5930-01-443-3499
NSN 6105-01-073-2014
NSN 5960-00-734-1828