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 4140-01-574-0676
NSN 5930-01-082-1388
NSN 5835-01-380-5943
NSN 6240-01-412-0715
NSN 5985-01-229-5741
NSN 6135-00-266-9762
NSN 6240-01-467-0751
NSN 5990-01-416-0362
NSN 5920-00-843-9007
NSN 6620-01-598-2271
NSN 5990-00-060-0012
NSN 6220-01-181-5854