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 6620-01-195-0190
NSN 6240-01-387-3610
NSN 4140-01-425-4696
NSN 5996-01-042-8554
NSN 5990-00-466-2952
NSN 5999-00-187-8958
NSN 5930-01-089-6653
NSN 5855-00-688-9954
NSN 5985-01-207-8891
NSN 6620-01-412-0938
NSN 5915-01-500-7008
NSN 5835-01-386-4027