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 5985-00-802-2411
NSN 6135-01-528-6896
NSN 6105-01-343-2565
NSN 6150-01-192-0356
NSN 2925-01-519-1707
NSN 6650-00-491-0277
NSN 6650-01-567-8552
NSN 6645-00-551-8291
NSN 6610-01-539-9084
NSN 5950-00-068-3616
NSN 4140-01-429-8545
NSN 6610-01-543-8567