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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6220-01-290-0137
NSN 5960-01-068-2671
NSN 5965-00-849-1313
NSN 5999-00-818-3060
NSN 6645-01-227-8212
NSN 5915-01-388-5455
NSN 6110-01-338-1621
NSN 5945-00-542-9596
NSN 4140-00-869-1435
NSN 5945-01-110-6882
NSN 5998-00-300-2623
NSN 6220-01-136-7820