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 5925-00-408-8918
NSN 5998-01-435-7597
NSN 6650-00-287-5868
NSN 6645-00-079-1430
NSN 5895-01-566-0406
NSN 5975-00-806-2113
NSN 6150-00-101-9982
NSN 5930-01-152-7233
NSN 5945-00-259-5500
NSN 6650-01-423-2834
NSN 5999-00-553-6335
NSN 5835-00-185-4919