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 6645-00-117-9839
NSN 6150-01-287-6370
NSN 5905-00-466-3619
NSN 6105-01-425-4509
NSN 5895-01-558-5341
NSN 5920-01-442-8734
NSN 6320-01-556-2011
NSN 6650-00-944-8925
NSN 6650-00-917-0436
NSN 5960-01-316-8100
NSN 6135-01-167-7604
NSN 6145-01-315-2402