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 5915-01-123-9670
NSN 6110-00-549-6662
NSN 5905-01-578-2604
NSN 2925-00-507-2109
NSN 5905-01-431-2474
NSN 5960-01-420-4744
NSN 5999-00-646-8244
NSN 5935-00-577-4060
NSN 5910-01-033-2104
NSN 6145-00-215-4994
NSN 6240-01-114-1926
NSN 4140-01-522-0752