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 6220-01-306-2428
NSN 6105-00-004-1276
NSN 5905-01-167-9008
NSN 6220-00-325-2740
NSN 5835-00-980-0468
NSN 5855-00-548-4742
NSN
NSN 6150-01-210-0997
NSN 2925-00-896-7318
NSN 6130-00-031-3512
NSN 5835-00-707-6266
NSN 5960-00-238-3830