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 5945-00-217-1074
NSN 6220-00-872-3032
NSN 5996-00-316-5115
NSN 5945-01-604-7676
NSN 6650-01-237-4689
NSN 4140-00-258-3612
NSN 5835-00-106-2120
NSN 5999-01-212-8931
NSN 6130-01-057-6925
NSN 6135-00-182-7008
NSN 5975-00-911-3547
NSN 5920-00-661-0840