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 5910-00-161-8881
NSN 6130-01-233-9644
NSN 6645-00-616-1289
NSN 5999-01-382-4934
NSN 6610-01-036-3201
NSN 4140-01-370-4868
NSN 5945-01-254-1729
NSN 2925-01-587-3956
NSN 6110-00-944-5798
NSN 5985-00-674-5801
NSN 5945-00-572-5608
NSN 6135-00-985-7887