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 4140-01-100-1223
NSN 5998-00-965-0593
NSN 5920-01-498-4690
NSN 5930-01-062-0870
NSN 4140-01-537-5052
NSN 5920-01-533-1297
NSN 5999-01-147-0901
NSN 6645-01-579-4247
NSN 5895-01-072-1559
NSN 5910-00-099-9998
NSN 6150-00-227-8983
NSN 6130-00-998-7950