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 5985-00-040-8851
NSN 6135-01-407-0594
NSN 6220-01-537-0129
NSN 4140-00-478-0056
NSN 5965-01-025-5129
NSN 5835-01-422-7393
NSN 6135-01-443-7716
NSN 6645-01-030-8930
NSN 5996-01-558-2862
NSN 5985-01-473-6108
NSN 5996-00-351-2369
NSN 6240-01-433-3648