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 4140-01-598-6829
NSN 6150-00-920-1520
NSN 6650-00-423-2178
NSN 5855-00-149-0766
NSN 6220-01-626-8270
NSN 6220-00-005-1436
NSN 6220-00-772-8129
NSN 6650-00-558-2532
NSN 6620-00-703-0860
NSN 6130-01-329-2609
NSN 6685-00-170-9237
NSN 4140-01-472-2768