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 5920-00-838-4683
NSN 6620-00-286-5721
NSN 6650-01-579-2137
NSN 5990-01-157-0441
NSN 6145-01-388-1600
NSN 5945-01-449-1281
NSN 6610-00-972-5891
NSN 5985-01-419-2833
NSN 6135-00-505-0679
NSN 5990-00-057-6348
NSN 6620-01-352-5640
NSN 5960-01-614-8005