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 5835-01-521-4979
NSN 5975-01-598-9655
NSN 6685-01-513-3737
NSN 4140-00-577-3512
NSN 5945-00-584-2046
NSN 5996-01-063-6556
NSN 5915-01-119-9628
NSN 5835-01-314-2781
NSN 6220-01-275-0995
NSN 6610-01-624-2561
NSN 5915-00-259-3772
NSN 2925-01-521-0600