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 4140-01-440-7771
NSN 5975-01-478-5123
NSN 6145-01-171-8160
NSN 5945-00-399-0716
NSN 5999-01-131-6231
NSN 5985-01-372-8108
NSN 6135-01-529-8523
NSN 5945-00-964-4864
NSN 6105-00-225-9464
NSN 5960-01-170-4057
NSN 5905-00-613-7633
NSN 5985-00-315-1483