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 6620-01-234-1799
NSN 5905-01-397-1661
NSN 5990-01-362-7532
NSN 6135-00-182-7008
NSN 6240-01-397-8713
NSN 5935-00-067-6142
NSN 4140-00-811-2297
NSN 5855-00-149-0766
NSN 6105-01-040-9677
NSN 6145-00-722-9700
NSN 6220-00-351-4556
NSN 5930-01-634-0659