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 6110-01-593-7105
NSN 5960-00-893-2187
NSN 4140-00-295-0787
NSN 7035-01-539-7074
NSN 4140-00-814-5987
NSN 6105-00-292-4110
NSN 5975-01-446-6074
NSN 5996-01-397-2142
NSN 5985-01-450-9933
NSN 5920-01-163-9257
NSN 5990-00-519-9974