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 6620-01-601-7491
NSN 5910-01-481-4621
NSN 5998-00-174-2787
NSN 5975-00-944-8484
NSN 5915-00-933-5658
NSN 6620-01-356-2374
NSN 5999-01-431-7323
NSN 5910-00-368-4108
NSN 5990-01-568-5565
NSN 6135-00-995-1089
NSN 6685-01-042-6590
NSN 5915-01-583-4168