U/o j57
An item consisting of metal tube, straight or prebent, with permanently attached fittings (brazed or welded) on one or both ends. It is primarily designed to convey fluids, gases, and/or semisolids. For items with detachable end fittings, see tube assembly, metal.
Classification: Tubes and pipes alum al excpt seamless
NSN 5920-01-631-4334
NSN 6240-00-204-9355
NSN 6620-01-375-6741
NSN 6240-01-513-0754
NSN 6685-01-548-8338
NSN 4140-01-310-3330
NSN 6320-01-247-0898
NSN 6240-01-215-2601
NSN 6145-01-523-8969
NSN 5935-00-062-7055
NSN 5945-00-925-2596
NSN 4140-00-213-9937