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 5920-01-510-2784
NSN 6135-01-408-9244
NSN 5935-01-435-6315
NSN 6620-00-009-0904
NSN 6105-00-352-9481
NSN 5920-01-400-0791
NSN 6135-01-445-6589
NSN 6685-01-127-0364
NSN 6105-00-148-8279
NSN 6110-00-193-2847
NSN 6135-00-567-1322
NSN 5930-01-582-1581