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 5910-01-054-4091
NSN 5855-01-575-3154
NSN 4140-00-946-1283
NSN 5895-00-824-1082
NSN 2925-01-267-1598
NSN 5835-01-592-2350
NSN 5960-01-375-6815
NSN 6105-01-401-5361
NSN 5895-01-255-0677
NSN 5920-01-443-3771
NSN 6650-01-545-5672
NSN 5996-01-503-4233