A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5996-01-178-3849
NSN 5999-01-152-0249
NSN 6105-01-610-6949
NSN 5990-01-395-4194
NSN 5930-01-518-7745
NSN 4140-01-508-7067
NSN 2925-01-074-9102
NSN 5960-01-544-1273
NSN 6135-01-303-0295
NSN 5960-01-222-4199
NSN 4140-01-590-1632
NSN 6620-01-091-1038