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 5835-00-419-6576
NSN 5855-01-027-1571
NSN 6240-01-167-5979
NSN 6320-00-636-0922
NSN 5920-01-605-9834
NSN 6240-00-607-4303
NSN 5975-01-529-0340
NSN 6620-01-633-8443
NSN 6620-01-323-1287
NSN 5945-01-437-8115
NSN 5975-01-442-4109
NSN 5855-00-149-0766