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 5930-01-442-6723
NSN 5998-01-161-2107
NSN 6135-01-324-7718
NSN 6320-01-206-1055
NSN 6240-01-448-2717
NSN 6320-01-422-1212
NSN 6135-00-998-5884
NSN 6240-00-090-9361
NSN 6145-00-593-8100
NSN 6130-01-367-6010
NSN 5835-01-303-6563
NSN 5998-01-449-1467