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 6130-00-276-0658
NSN 5835-01-575-5053
NSN 6240-01-165-2693
NSN 5990-01-056-6413
NSN 5835-00-419-0575
NSN 5915-00-193-6850
NSN 6320-01-476-7702
NSN 6650-01-066-0420
NSN 2925-00-084-8462
NSN 5895-00-212-7451
NSN 5996-00-942-5225
NSN 5925-00-789-3718