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 4140-01-650-9116
NSN 6110-01-347-0954
NSN 6150-00-596-9253
NSN 5960-00-359-7768
NSN 5895-01-575-6235
NSN 2925-01-043-9786
NSN 6320-01-225-9963
NSN 6685-01-024-1807
NSN 5895-00-673-8343
NSN 5935-00-276-9413
NSN 5905-01-485-6382
NSN 6650-00-299-9681