Outside surface treatment is zinc.
A flexible, tubular item having a metallic tube inner conveying surface. It may have one or more reinforcement layers of a metallic or nonmetallic material. It is designed to convey gasses, liquids, solids, or sound waves. For items with fittings on one or both ends, see hose assembly, metallic. For items used to protect electrical wires or cables, see conduit, raceway (as modified).
NSN 5975-01-297-5553
NSN 6685-00-063-3657
NSN 4140-01-310-6630
NSN 5855-01-393-2455
NSN 5925-01-121-9398
NSN 5945-00-474-2186
NSN 6145-01-440-4868
NSN 6240-01-509-7406
NSN 5910-01-340-4968
NSN 6685-01-515-1137
NSN 5905-00-419-0679
NSN 5920-00-990-1474