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 6130-00-828-1845
NSN 2925-00-504-2363
NSN 6150-00-270-6267
NSN 5895-01-483-1296
NSN 6650-01-328-5135
NSN 5999-01-014-5981
NSN 6105-01-228-6306
NSN 5990-01-147-5225
NSN 5910-00-084-5685
NSN 5996-01-226-5314
NSN 5930-00-854-6199
NSN 6650-01-500-1756