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 5985-01-651-3907
NSN 4140-00-150-2406
NSN 6145-01-154-9606
NSN 6240-01-625-1279
NSN 6650-01-091-4241
NSN 6130-00-218-1363
NSN 5910-00-896-5209
NSN 5920-00-437-7993
NSN 5996-01-605-0950
NSN 6105-00-411-8585
NSN 6135-01-222-0703
NSN 5905-01-054-1218