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 5990-01-534-8609
NSN 6645-01-467-9983
NSN 5996-01-152-7396
NSN 5910-01-044-4874
NSN 5985-01-197-4431
NSN 5998-00-701-3487
NSN 6610-01-605-2451
NSN 5915-00-469-3492
NSN 5925-01-271-3300
NSN 5999-00-106-2038
NSN 6105-01-469-0826
NSN 6135-00-583-3966