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 6240-01-348-0057
NSN 5998-00-350-8511
NSN 5998-01-633-1995
NSN 6135-00-891-4944
NSN 2925-01-387-0870
NSN 5855-00-361-0167
NSN 5999-01-100-4971
NSN 6110-00-086-2990
NSN 6150-01-240-5309
NSN 6320-00-994-0179
NSN 5835-00-378-1429
NSN 5945-01-541-3115