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 5998-00-084-1288
NSN 6110-01-545-4522
NSN 5910-01-296-9207
NSN 6135-01-193-8154
NSN 6650-01-472-6896
NSN 5996-01-069-2915
NSN 5990-01-160-6978
NSN 5835-01-283-9691
NSN 5905-01-382-0013
NSN 5960-01-224-7151
NSN 5945-00-220-6789
NSN 4140-01-298-5651