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 5990-01-278-8833
NSN 5996-01-194-8117
NSN 6220-01-521-7978
NSN 5920-00-499-2458
NSN 6130-01-578-1992
NSN 6610-00-679-4835
NSN 5945-01-406-4352
NSN 6610-01-367-1640
NSN 6220-01-054-2804
NSN 5975-01-462-1828
NSN 5910-01-643-9813
NSN 6240-01-536-3604