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 5985-01-634-0635
NSN 6220-01-003-9126
NSN 5835-00-943-2763
NSN 5975-00-033-4917
NSN 4140-00-500-2718
NSN 6650-00-952-2754
NSN 5945-01-379-2181
NSN 6240-01-225-2863
NSN 5985-01-375-2649
NSN 6650-01-279-3893
NSN 5998-00-516-8964
NSN 6610-01-194-3759