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 5930-01-281-1578
NSN 5920-01-204-4657
NSN 5835-01-561-2959
NSN 6150-00-992-1874
NSN 6650-01-057-9178
NSN 5990-01-100-1840
NSN 6610-01-141-6343
NSN 5990-01-299-2014
NSN 6135-01-457-0984
NSN 6650-01-493-6638
NSN 5985-01-192-8998
NSN 6620-00-538-8746