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 6620-01-292-5072
NSN 6240-00-946-0938
NSN 6620-01-621-0719
NSN 6135-01-539-9009
NSN 5990-00-518-0684
NSN 6130-01-634-0603
NSN 4140-00-699-0904
NSN 6130-00-965-8470
NSN 6145-01-400-1030
NSN 6240-01-013-8895
NSN 5930-00-167-9791
NSN 5930-01-042-4206