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 5965-01-158-1522
NSN 6320-01-503-7180
NSN 5835-00-554-0399
NSN 6320-01-573-6490
NSN 5985-01-616-8296
NSN 6240-00-849-5026
NSN 5935-01-442-6139
NSN 6620-00-546-6071
NSN 5945-01-634-0588
NSN 6130-00-361-7114
NSN 6240-01-054-2289
NSN 6320-01-564-0893