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 6685-01-634-0611
NSN 5990-00-009-3291
NSN 6105-00-749-8905
NSN 6135-00-422-3967
NSN 6320-00-116-3658
NSN 5910-01-583-2403
NSN 5905-01-434-5015
NSN 6220-01-423-7306
NSN 4140-01-429-3080
NSN 5915-01-160-5179
NSN 6320-00-681-1324
NSN 5945-01-111-9711