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 4140-01-447-8033
NSN 6240-00-944-4727
NSN 6320-01-331-6947
NSN 5965-01-461-2850
NSN 6105-01-428-2994
NSN 4140-01-351-3892
NSN 5915-01-646-9352
NSN 5975-00-064-0321
NSN 5975-00-877-6957
NSN 5835-00-936-8753
NSN 6650-01-457-6649
NSN 6320-01-094-2634