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 6220-01-420-6512
NSN 5965-01-458-8669
NSN 4140-01-626-9970
NSN 5998-01-477-0187
NSN 6130-01-343-0955
NSN 5985-01-487-3316
NSN 5945-00-833-0640
NSN 5930-01-629-7071
NSN 5855-01-512-1926
NSN 6110-01-298-3784
NSN 5999-00-098-9132
NSN 4140-01-373-3399