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 5920-01-306-7442
NSN 5965-00-083-8157
NSN 6650-01-330-4857
NSN 2925-01-459-8093
NSN 6220-01-422-3602
NSN 5965-00-417-8182
NSN 6105-01-484-0233
NSN 5950-01-463-9947
NSN 6685-01-522-7840
NSN 6110-01-650-0183
NSN 5835-01-416-6455
NSN 2925-00-831-7024