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 6610-00-360-1521
NSN 5960-01-515-4791
NSN 5996-01-300-8764
NSN 6685-00-904-2437
NSN 4140-01-029-4211
NSN 5930-00-890-4535
NSN 4140-01-422-3703
NSN 4140-01-511-0744
NSN 2925-01-590-8691
NSN 6240-01-511-9778
NSN 6620-00-621-6951
NSN 6610-01-642-1752