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 6135-00-477-8847
NSN 6610-01-531-6311
NSN 5990-00-158-5392
NSN 5999-00-431-9230
NSN 6610-01-361-4193
NSN 6240-01-152-2662
NSN 5965-01-068-2714
NSN 6240-01-306-6796
NSN 5999-01-371-5616
NSN 5950-00-999-6752
NSN 5965-01-012-1065
NSN 4140-00-491-5795