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 4140-01-360-2568
NSN 5998-01-435-4379
NSN 5920-01-319-6790
NSN 6240-00-406-8141
NSN 5990-00-234-9136
NSN 6135-01-660-2840
NSN 5999-01-583-4437
NSN 5930-01-575-9444
NSN 5950-01-228-9093
NSN 4140-00-343-2121
NSN 5935-00-576-7316
NSN 5996-01-391-8050