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 6650-01-068-3997
NSN 6240-00-518-3541
NSN 5990-01-463-2279
NSN 6685-01-607-7300
NSN 6135-01-537-1234
NSN 6220-01-346-9269
NSN 5965-00-639-6621
NSN 6240-01-076-7695
NSN 6135-00-505-0679
NSN 5990-00-254-4825
NSN 6135-01-185-3614
NSN 5945-00-225-8692