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 4140-00-740-2153
NSN 2925-01-054-3190
NSN 6135-01-542-4383
NSN 6620-01-643-6817
NSN 5930-01-328-7970
NSN 6130-01-429-8948
NSN 6645-01-123-9277
NSN 6110-01-542-5027
NSN 6320-01-631-7828
NSN 5920-01-257-5124
NSN 5930-01-481-9260
NSN 6220-00-419-0635