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 5985-01-142-9611
NSN 5998-01-407-6720
NSN 5990-00-226-1152
NSN 5945-00-822-3524
NSN 5965-00-961-1627
NSN 5915-01-048-1509
NSN 6620-00-782-0337
NSN 5945-00-558-9155
NSN 5895-00-668-9454
NSN 5895-01-274-5085
NSN 5990-01-044-4767
NSN 5930-01-328-6511