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 6130-01-204-5137
NSN 6610-00-981-6916
NSN 5990-00-499-9816
NSN 5930-01-634-0659
NSN 6220-00-461-1494
NSN 5930-01-510-9464
NSN 5996-01-186-5671
NSN 6610-00-804-2701
NSN 6320-01-607-0347
NSN 4140-01-500-1187
NSN 5998-01-310-3844
NSN 5990-00-222-9899