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 5960-00-177-2953
NSN 6110-00-082-0268
NSN 5990-01-644-3095
NSN 5920-01-426-8517
NSN 5930-00-953-4024
NSN 5930-01-419-1139
NSN 5920-00-571-7037
NSN 5920-00-280-8628
NSN 5998-01-640-8094
NSN 5960-01-103-5476
NSN 5998-00-227-3649
NSN 5998-00-859-8578