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 5999-00-476-9991
NSN 6650-00-027-1348
NSN 5935-01-349-3304
NSN 5965-01-441-1525
NSN 7035-00-616-4410
NSN 5975-01-499-7206
NSN 5998-01-117-1849
NSN 5998-01-513-9898
NSN 5998-01-255-2093
NSN 5996-01-270-5095
NSN 6130-00-122-0103
NSN 6105-01-509-6049