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 5855-01-321-3881
NSN 5925-01-097-7046
NSN 5950-00-924-0329
NSN 6620-00-246-1529
NSN 6240-01-374-1904
NSN 5855-01-450-8820
NSN 6620-01-234-1799
NSN 6240-01-189-0184
NSN 6240-01-502-7280
NSN 6650-01-363-0963
NSN 2925-01-303-5266
NSN 4140-01-492-5999