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 5905-00-958-6236
NSN 6650-01-540-5157
NSN 6650-01-497-1773
NSN 6135-00-837-5331
NSN 5975-00-804-1489
NSN 5990-01-215-0590
NSN 5965-01-347-5878
NSN 5945-01-160-3608
NSN 5990-01-152-3460
NSN 5920-01-171-3624
NSN 5999-01-141-7501
NSN 2925-01-408-2088