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 5945-00-581-1981
NSN 4140-01-096-5058
NSN 5935-00-916-0842
NSN 5835-00-954-2833
NSN 2925-01-446-0525
NSN 5990-00-984-9057
NSN 5960-01-415-3574
NSN 5920-00-431-5474
NSN 6110-01-310-7186
NSN 6610-00-086-3840
NSN 6110-01-203-3632
NSN 5975-00-527-9656