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 5975-01-284-1937
NSN 5985-01-446-6868
NSN 6150-01-478-5996
NSN 4140-01-151-7963
NSN 6620-00-179-9079
NSN 5920-00-216-4759
NSN 4140-00-567-9291
NSN 4140-01-546-7458
NSN 5945-00-111-2050
NSN 6610-00-042-8461
NSN 5855-01-542-9059
NSN 5935-01-589-3599