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 6240-01-373-4530
NSN 5915-01-179-0674
NSN 5975-01-161-7316
NSN 5998-01-005-0293
NSN 5835-01-568-7796
NSN 6645-00-967-8401
NSN 5998-00-929-4971
NSN 6320-01-316-6864
NSN 5999-00-246-7084
NSN 5855-01-213-9076
NSN 5920-01-501-5593
NSN 6650-01-501-5661