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 6220-01-640-6930
NSN 5965-01-483-1610
NSN 6240-01-577-3501
NSN 5895-01-323-6413
NSN 5945-01-543-4898
NSN 5999-01-422-1056
NSN 5930-01-646-6662
NSN 6240-01-431-9827
NSN 5920-01-165-6881
NSN 4140-01-352-2924
NSN 5915-01-337-7141
NSN 6110-00-193-0030