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 5990-01-443-2931
NSN 6650-00-155-8431
NSN 5835-01-329-4814
NSN 5895-01-360-4868
NSN 5990-00-660-8885
NSN 6620-01-065-8265
NSN 5935-00-356-1664
NSN 5998-01-350-6127
NSN 6130-01-187-1536
NSN 4140-01-278-2105
NSN 2925-00-690-8763
NSN 5935-01-368-0004