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 6135-01-449-0625
NSN 6110-01-654-3869
NSN 5960-01-589-6846
NSN 5945-01-634-0588
NSN 6130-01-141-9952
NSN 5960-00-702-5301
NSN 5920-01-268-2188
NSN 5990-00-827-4891
NSN 5920-00-988-5057
NSN 5998-00-435-3624
NSN 6130-00-834-0142
NSN 6220-01-451-7083