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 6620-00-533-0536
NSN 6650-01-420-5586
NSN 6240-01-102-1555
NSN 5975-01-316-2990
NSN 6110-01-328-3634
NSN 6105-00-325-1647
NSN 6220-01-650-6302
NSN 7035-01-105-7776
NSN 6105-00-172-4246
NSN 5905-00-474-1976
NSN 5985-01-430-0439
NSN 6650-01-455-1805