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 6620-00-104-6937
NSN 6620-01-488-9547
NSN 6610-00-049-6497
NSN 5905-00-133-5337
NSN 6130-00-509-1591
NSN 6130-01-565-4057
NSN 5990-00-466-2952
NSN 6220-01-376-1608
NSN 6105-01-189-8254
NSN 5855-01-208-1471
NSN 5910-01-227-1724
NSN 5835-01-136-3394