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 6240-00-883-1731
NSN 2925-01-597-9541
NSN 6105-01-422-1835
NSN 6320-01-421-3777
NSN 6650-00-464-6395
NSN 5935-01-634-0668
NSN 6685-00-516-2173
NSN 6610-00-239-4931
NSN 6110-01-415-3542
NSN 5920-00-820-1328
NSN 5915-01-341-4207
NSN 5990-00-064-3531