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 6220-01-110-9708
NSN 4140-00-394-5744
NSN 5965-01-301-2553
NSN 5960-00-681-8201
NSN 6610-01-283-2341
NSN 6240-01-431-5790
NSN 4140-01-274-4762
NSN 6645-00-762-7452
NSN 5855-00-631-4565
NSN 5999-01-046-2690
NSN 6135-00-182-7008
NSN 6110-01-004-5451