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
NSN 6685-00-808-4056
NSN 6135-00-767-0331
NSN 5915-01-203-8804
NSN 2925-01-323-9835
NSN 6645-01-062-0905
NSN 5945-00-358-1960
NSN 5855-01-364-4478
NSN 5990-01-259-7138
NSN 6320-01-576-6310
NSN 6610-00-807-6620
NSN 6645-00-007-5305