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 4140-00-950-6951
NSN 5920-01-605-1656
NSN 6240-01-203-4992
NSN 5990-01-462-1617
NSN 5905-01-514-8416
NSN 5945-01-406-7167
NSN 6320-00-925-0558
NSN 6110-01-425-6467
NSN 5920-00-806-5613
NSN 5930-01-094-5928
NSN 6320-00-310-1080
NSN 5985-01-200-0354