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 5990-00-073-2676
NSN 6320-00-149-7570
NSN 5945-00-609-5425
NSN 6650-01-359-5385
NSN 5915-01-391-7830
NSN 6650-01-211-2673
NSN 5975-01-269-7156
NSN 5855-00-361-0167
NSN 5990-00-473-1809
NSN 5945-01-142-0224
NSN 6685-01-327-2099
NSN 5960-01-268-8674