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 6220-01-509-8035
NSN 5999-00-904-8151
NSN 5930-01-015-5830
NSN 5999-01-596-3112
NSN 6240-01-218-5187
NSN 5996-01-106-2763
NSN 6130-01-633-5173
NSN 5945-01-242-9989
NSN 6220-00-473-0517
NSN 6130-01-317-3689
NSN 6110-01-518-9180
NSN 5945-00-161-4014