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 6130-01-420-6386
NSN 6685-00-125-4472
NSN 6610-00-851-8727
NSN 5905-00-579-5393
NSN 5960-00-512-9121
NSN 6240-00-942-7274
NSN 6320-01-648-5538
NSN 6685-01-421-4070
NSN 5925-01-132-1766
NSN 5930-01-201-7679
NSN 5950-00-162-7887
NSN 5960-01-632-6576