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 4140-00-833-6239
NSN 5999-01-508-4473
NSN 6220-01-500-2935
NSN 5965-01-056-7225
NSN 5930-01-496-0254
NSN 6130-01-080-0397
NSN 5990-01-607-9433
NSN 5985-01-579-8170
NSN 6130-01-178-9498
NSN 6240-01-626-3242
NSN 5965-01-017-8741
NSN 5905-01-213-7152