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 6110-00-161-4115
NSN 5998-00-112-4228
NSN 5990-00-170-4239
NSN 5920-01-254-2753
NSN 5905-01-037-1599
NSN 6105-01-020-8339
NSN 5965-00-011-6742
NSN 5945-01-428-8835
NSN 6150-00-300-0395
NSN 5999-01-486-5750
NSN 5930-00-114-2875
NSN 5930-00-478-9559