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 5990-01-395-4194
NSN 4140-01-253-9165
NSN 5999-01-450-9336
NSN 6130-01-591-3989
NSN 5905-01-361-8432
NSN 6110-01-633-9660
NSN 6650-00-453-5616
NSN 6105-01-502-9273
NSN 4140-01-097-7320
NSN 5930-01-392-1046
NSN 6620-01-526-2857
NSN 6135-01-431-6801