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 4140-01-528-2531
NSN 5975-00-987-5352
NSN 6320-01-161-6640
NSN 6130-00-528-1266
NSN 6650-01-432-1830
NSN 6135-01-407-0594
NSN 6240-00-436-5389
NSN 5965-01-627-7972
NSN 5910-00-519-7464
NSN 6240-00-286-0742
NSN 6135-01-420-5907
NSN 5935-01-462-7343