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 5960-01-505-2426
NSN 5855-00-107-7993
NSN 5930-00-714-3942
NSN 7035-00-043-1325
NSN 7035-01-127-9019
NSN 6135-01-633-8502
NSN 5999-01-254-0283
NSN 6145-01-444-1668
NSN 6135-01-551-0562
NSN 6145-01-535-5173
NSN 5996-01-110-4573
NSN 5990-01-411-5930