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 5998-00-167-9808
NSN 5915-00-442-1197
NSN 6110-01-366-7954
NSN 6135-01-168-2944
NSN 2925-01-142-0981
NSN 6105-01-583-7292
NSN 6320-01-305-5881
NSN 6135-01-121-3225
NSN 5905-01-091-5492
NSN 6145-01-487-2564
NSN 5935-00-850-6878
NSN 6130-00-929-6699