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 5985-01-058-9485
NSN 5855-01-138-4985
NSN 6685-01-142-3201
NSN 6650-01-475-3714
NSN 5965-01-131-0854
NSN 5835-01-378-6804
NSN 5999-01-612-1826
NSN 7035-01-593-5694
NSN 5998-00-100-0491
NSN 5895-01-331-8388
NSN 6645-01-452-0621
NSN 6220-01-378-3205