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 6645-01-034-6037
NSN 6110-00-355-6391
NSN 5935-01-428-6225
NSN 5950-01-590-2805
NSN 4140-01-264-9640
NSN 5950-00-610-6144
NSN 5920-01-024-0592
NSN 5905-00-068-1570
NSN 6685-00-374-0482
NSN 5905-01-378-7613
NSN 5905-01-316-7981
NSN 5950-01-625-9805