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 6240-01-283-0404
NSN 6240-00-402-4481
NSN 6610-00-460-1419
NSN 5915-01-089-6110
NSN 5998-01-091-8920
NSN 5910-01-575-5070
NSN 5990-01-407-6615
NSN 7035-01-113-6492
NSN 5930-00-646-2140
NSN 5930-01-431-1536
NSN 6650-01-278-6645
NSN 6220-01-467-0822