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 6240-00-456-2578
NSN 5999-01-135-1079
NSN 6645-01-338-9152
NSN 6105-01-355-4972
NSN 5855-00-494-9581
NSN 4140-00-456-6139
NSN 5895-00-854-6524
NSN 6320-01-441-2438
NSN 6220-01-222-6516
NSN 5905-01-618-9926
NSN 6135-01-226-4071
NSN 5998-00-106-4700