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 5920-01-469-6025
NSN 5905-00-924-5742
NSN 5895-01-521-8954
NSN 6145-01-452-8545
NSN 5945-00-361-4105
NSN 5975-01-506-9610
NSN 6105-00-201-8977
NSN 5905-00-926-2905
NSN 6685-00-703-1694
NSN 5930-00-803-2973
NSN 5910-01-357-9379
NSN 4140-00-279-3148