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 4140-00-627-2556
NSN 5985-01-258-5667
NSN 5835-00-870-7034
NSN 6105-01-153-0830
NSN 5895-00-847-8935
NSN 4140-00-188-3800
NSN 6130-01-331-4898
NSN 5960-01-314-6132
NSN 5895-00-100-4877
NSN 5920-01-336-7568
NSN 6645-01-473-3752
NSN 6240-01-470-6387