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 6610-01-623-6228
NSN 5960-01-029-1980
NSN 5998-00-419-0425
NSN 5960-01-117-1887
NSN 6685-01-007-5507
NSN 5960-01-146-0289
NSN 6110-00-284-1161
NSN 4140-00-927-7992
NSN 5895-00-373-2743
NSN 5920-01-381-1306
NSN 5999-01-301-2437
NSN 6130-00-883-4797