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 6620-01-617-3915
NSN 4140-01-595-3827
NSN 6135-01-223-3869
NSN 5965-00-185-9687
NSN 6645-01-625-4810
NSN 6150-01-160-8091
NSN 5950-01-026-6414
NSN 5950-01-095-6893
NSN 5998-01-050-9828
NSN 5996-00-942-3110
NSN 5905-01-023-7575
NSN 5996-00-721-2194