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 5945-00-914-2379
NSN 6320-01-313-8306
NSN 6320-01-054-3046
NSN 6620-01-285-4685
NSN 6685-00-263-4545
NSN 5835-01-632-6627
NSN 7035-01-116-6223
NSN 5999-00-394-7191
NSN 6150-01-282-7678
NSN 6110-00-434-4383
NSN 5985-00-644-9752
NSN 5905-01-398-3526