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 6620-01-075-7420
NSN 4140-01-133-9011
NSN 4140-01-624-9135
NSN 5999-01-149-9422
NSN 5920-00-935-2275
NSN 5930-00-689-2837
NSN 5998-00-704-4404
NSN 5998-01-205-0123
NSN 5996-01-394-5768
NSN 5905-01-433-0803
NSN 5985-01-064-5985
NSN 5999-01-608-3908