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 6240-01-138-0112
NSN 6220-01-228-1943
NSN 6130-00-409-2951
NSN 2925-00-939-1979
NSN 2925-00-132-1280
NSN 6650-01-037-9755
NSN 2925-01-318-8853
NSN 5998-01-506-4180
NSN 6105-01-227-5159
NSN 6650-00-256-9059
NSN 4140-01-511-0286
NSN 5895-01-346-2983