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 5895-00-824-1082
NSN 6220-01-215-3271
NSN 5985-01-324-0179
NSN 5925-01-023-5398
NSN 5975-01-502-7084
NSN 5960-00-017-2892
NSN 5999-00-143-1818
NSN 6105-00-671-0368
NSN 5905-01-633-8408
NSN 6105-00-008-6140
NSN 5835-00-733-9145
NSN 5925-00-411-5170