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 5990-01-212-2037
NSN 5945-01-322-5561
NSN 5960-00-262-2905
NSN 5945-00-162-7738
NSN 5915-01-469-9523
NSN 6110-01-633-9660
NSN 6105-01-505-0361
NSN 5996-01-444-7283
NSN 6320-00-371-8335
NSN 5998-01-561-1684
NSN 5930-00-880-8322
NSN 5998-00-468-7998