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 4140-01-389-2170
NSN 6240-01-294-0913
NSN 6685-00-596-8765
NSN 5999-01-302-2846
NSN 6650-00-514-3531
NSN 6610-00-946-6146
NSN 5990-01-328-8225
NSN 5905-01-142-3362
NSN 6645-01-356-1751
NSN 5950-00-521-9412
NSN 5960-00-533-1125
NSN 6650-01-091-4241