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 5920-00-499-8285
NSN 5960-01-491-9916
NSN 5945-01-023-6080
NSN 7035-01-089-2725
NSN 2925-00-591-9799
NSN 5960-00-597-2680
NSN 5835-00-518-2740
NSN 2925-01-054-3190
NSN 6240-01-045-9269
NSN 6145-01-469-4129
NSN 6685-00-909-8379
NSN 6650-01-168-1659