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 5998-00-140-0106
NSN 5835-01-495-0595
NSN 6220-00-192-1164
NSN 5996-01-058-8227
NSN 6110-01-318-1458
NSN 6130-01-444-8911
NSN 5920-01-377-9518
NSN 6130-00-009-9602
NSN 6130-00-875-1941
NSN 6610-01-037-4392
NSN 6645-01-468-4990
NSN 5998-00-909-4226