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 5895-01-624-0000
NSN 6130-01-087-2985
NSN 6685-00-188-1991
NSN 2925-00-753-8598
NSN 5915-01-437-8858
NSN 5990-00-381-6113
NSN 6110-01-593-9719
NSN 5990-01-118-8624
NSN 5965-01-484-9818
NSN 5905-00-586-3561
NSN 5990-01-485-0260
NSN 6220-00-625-8554