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 6240-01-181-9565
NSN 5835-01-520-4479
NSN 5895-00-595-6803
NSN 5945-01-054-3235
NSN 6685-00-965-1506
NSN 6620-01-204-5650
NSN 6610-01-033-2402
NSN 5915-01-467-9881
NSN 5920-01-029-3813
NSN 6685-01-178-0979
NSN 5935-01-289-7395
NSN 5960-00-912-9285