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 6240-01-181-4474
NSN 6320-01-643-0850
NSN 4140-01-129-2239
NSN 5990-00-467-7431
NSN 5985-01-406-8707
NSN 5999-01-338-6875
NSN 5930-01-651-7667
NSN 6645-00-200-2324
NSN 6130-01-298-4945
NSN 5895-01-125-7247
NSN 6240-01-133-5950
NSN 5945-00-823-8652