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 5999-01-530-4141
NSN 5835-01-178-4154
NSN 4140-00-126-4685
NSN 5915-01-432-2491
NSN 6320-01-134-7267
NSN 6650-00-938-2153
NSN 5996-00-832-9495
NSN 6240-01-141-5230
NSN 5998-00-831-5786
NSN 5835-00-180-7555
NSN 6130-01-336-8602
NSN 5945-01-353-0362