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 6645-00-285-8781
NSN 5990-00-593-5089
NSN 6220-01-479-9374
NSN 5950-01-587-2427
NSN 6150-01-589-1848
NSN 5895-01-280-9743
NSN 5920-00-926-7560
NSN 5975-01-462-2595
NSN 6110-01-497-4559
NSN 5996-01-496-3180
NSN 5925-01-075-2187
NSN 5915-01-583-6924