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 6240-00-242-6231
NSN 5996-00-288-1829
NSN 5915-00-854-9025
NSN 4140-00-007-4578
NSN 5855-00-688-9954
NSN 5950-00-317-2727
NSN 4140-01-327-2339
NSN 5996-00-379-0379
NSN 5999-00-078-9890
NSN 5910-01-207-6981
NSN 4140-01-086-0067
NSN 5945-01-217-5615