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 5945-01-407-0385
NSN 6240-01-144-3864
NSN 5935-00-689-3664
NSN 5950-00-203-2368
NSN 5915-01-523-0940
NSN 6220-01-322-9337
NSN 7035-01-083-0282
NSN 5935-00-408-3777
NSN 5895-01-407-0375
NSN 5965-01-411-9933
NSN 4140-00-740-2153
NSN 5985-01-029-0960