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 5910-00-067-7740
NSN 5855-01-577-2581
NSN 5835-01-079-1737
NSN 5855-01-363-1143
NSN 5915-01-463-3347
NSN 5935-00-508-9016
NSN 5985-01-308-5433
NSN 6610-00-367-9603
NSN 6240-00-146-9322
NSN 6130-01-606-7642
NSN 5920-00-578-9956
NSN 5960-01-068-9609