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 5990-00-428-1895
NSN 6685-00-325-4197
NSN 6650-00-404-6473
NSN 5960-01-054-9639
NSN 5975-00-993-8156
NSN 6645-01-286-7568
NSN 6685-01-443-9103
NSN 5998-01-456-7643
NSN 5975-01-033-6578
NSN 5975-01-527-3906
NSN 6130-01-315-7881
NSN 6645-01-344-4184