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 4140-00-853-2138
NSN 5920-01-378-8924
NSN 6220-00-396-0039
NSN 6220-01-623-9636
NSN 5945-00-614-7447
NSN 6105-00-781-1254
NSN 5965-01-399-7851
NSN 5910-00-918-9733
NSN 6220-01-419-1932
NSN 5998-00-737-6260
NSN 5915-00-968-7515
NSN 5996-00-964-9400