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 5990-01-334-8634
NSN 5960-01-044-4902
NSN 6645-00-117-9839
NSN 4140-00-526-4505
NSN 5998-01-618-5112
NSN 5925-01-037-1629
NSN 6645-01-051-1453
NSN 4140-01-540-4586
NSN 5985-01-334-9776
NSN 5990-01-395-4194
NSN 6650-01-072-6745
NSN 5998-01-406-3671