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 6110-01-174-8137
NSN 5920-00-797-7371
NSN 5935-01-641-8047
NSN 5910-01-014-5488
NSN 6320-01-648-5538
NSN 6240-00-299-5965
NSN 6145-01-314-0102
NSN 5999-00-135-9638
NSN 5920-01-420-8580
NSN 5985-00-081-9142
NSN 5895-01-649-1453
NSN 5895-01-364-3767