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 4140-01-442-8120
NSN 5855-01-029-8733
NSN 6150-00-991-6775
NSN 6110-01-348-2223
NSN 5950-00-419-3599
NSN 5960-01-506-7039
NSN 6620-01-116-2632
NSN 5835-00-173-4456
NSN 5975-01-069-3236
NSN 5855-01-641-7915
NSN 5998-00-679-4001
NSN 6610-00-865-3848