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 6620-01-202-7415
NSN 6645-01-503-8211
NSN 5945-00-231-3199
NSN 5990-01-057-4191
NSN 5915-01-255-4195
NSN 2925-01-143-4229
NSN 6620-01-352-5640
NSN 5996-01-397-7697
NSN 6105-00-984-6141
NSN 6135-01-563-4445
NSN 6685-01-586-5808
NSN 6610-01-336-8027