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 5930-01-137-5707
NSN 5950-01-569-3174
NSN 6320-01-249-0598
NSN 5985-00-655-1934
NSN 6105-01-397-4608
NSN 6240-01-084-0944
NSN 6650-00-070-2225
NSN 5920-00-050-4976
NSN 6220-00-015-8532
NSN 5935-01-264-2857
NSN 6105-01-634-0322
NSN 6240-01-493-6956