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 5915-00-459-1762
NSN 5935-00-858-6178
NSN 4140-01-472-2768
NSN 5999-01-248-2960
NSN 5960-01-461-9284
NSN 6130-00-900-7272
NSN 6240-01-307-8236
NSN 6135-00-563-7711
NSN 5935-01-074-7486
NSN 6240-00-703-6614
NSN 2925-00-113-6146
NSN 6685-01-290-4378