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 5975-00-582-1460
NSN 5990-01-110-8979
NSN 6650-01-040-8225
NSN 6645-01-301-9462
NSN 5950-01-420-8475
NSN 6135-01-290-6487
NSN 6150-01-557-4541
NSN 5990-00-267-9200
NSN 5910-00-936-1267
NSN 6220-00-494-1600
NSN 5905-01-421-2691
NSN 5996-01-024-1981