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 6240-00-227-0135
NSN 5999-01-249-8310
NSN 5950-00-556-6728
NSN 6645-01-238-8660
NSN 5835-01-123-8305
NSN 5915-01-524-2568
NSN 5835-00-104-8944
NSN 5905-00-158-9963
NSN 2925-00-519-0766
NSN 6135-01-536-4810
NSN 5915-00-116-4015
NSN 5905-00-144-8471