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 6240-00-577-3440
NSN 5965-00-347-0231
NSN 6685-00-100-4753
NSN 6220-00-211-6146
NSN 5935-01-482-7876
NSN 2925-01-513-9114
NSN 5915-01-562-1366
NSN 6685-00-793-1098
NSN 6220-00-735-4815
NSN 5990-01-154-7296
NSN 5915-01-121-1339
NSN 5835-01-520-4479