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 6220-01-451-3056
NSN 6145-01-210-7992
NSN 5990-01-065-0492
NSN 5905-01-116-4072
NSN 6135-00-816-9052
NSN 5835-00-725-2087
NSN 5930-01-272-1529
NSN 5945-01-233-9246
NSN 4140-01-462-7058
NSN 5905-01-616-4892
NSN 5935-01-367-7186
NSN 5998-00-497-5533