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 6650-01-426-4253
NSN 6240-01-528-7873
NSN 5895-01-186-6286
NSN 6150-01-407-7095
NSN 6110-01-542-6729
NSN 5998-01-609-7227
NSN 6145-01-499-4530
NSN 5975-00-316-2539
NSN 5930-01-292-5263
NSN 5990-00-806-3556
NSN 5905-01-501-6178
NSN 6620-01-497-3744