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 6685-01-189-4316
NSN 5835-01-200-7153
NSN 6220-00-374-2072
NSN 5920-01-123-9854
NSN 6650-01-252-4155
NSN 6650-01-283-7936
NSN 2925-00-263-2714
NSN 6110-01-642-2778
NSN 6110-01-142-9831
NSN 5905-00-679-5469
NSN 2925-01-525-2106
NSN 6220-01-467-5973