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 6620-01-605-2590
NSN 5975-01-151-3270
NSN 5996-01-209-5886
NSN 5985-00-133-2927
NSN 5960-01-406-4136
NSN 5965-00-267-4173
NSN 5935-01-357-6499
NSN 5965-01-238-3900
NSN 5855-01-301-0158
NSN 5855-00-548-4742
NSN 6135-01-079-7852
NSN 6220-00-815-0191