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 6220-01-611-5657
NSN 6620-01-201-4176
NSN 6110-01-386-3093
NSN 5985-01-550-9057
NSN 2925-00-258-9786
NSN 6620-00-943-0449
NSN 5999-00-563-7696
NSN 5925-00-175-9349
NSN 5915-01-572-0453
NSN 6150-01-292-6990
NSN 5965-01-088-5414
NSN 5910-00-914-2945