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 4140-01-298-1630
NSN 5920-01-448-0105
NSN 5998-01-449-5950
NSN 5920-00-931-0752
NSN 5960-01-290-6919
NSN 6220-01-541-2851
NSN 6650-00-101-0559
NSN 5996-00-013-9302
NSN 5960-01-632-6576
NSN 6145-01-475-2372
NSN 5965-01-283-2531
NSN 6620-01-349-8685