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 6110-01-314-7634
NSN 6620-00-290-6505
NSN 5950-01-634-0677
NSN 5905-01-050-5665
NSN 5998-01-487-5390
NSN 5999-01-310-4532
NSN 5999-01-620-3938
NSN 5920-00-005-4604
NSN 5999-00-826-0390
NSN 6220-00-854-2532
NSN 5915-01-341-4207
NSN 4140-00-518-2429