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 5905-01-199-7561
NSN 5950-01-317-2314
NSN 6620-00-349-4703
NSN 4140-01-632-1428
NSN 6220-00-887-2637
NSN 6685-01-373-4173
NSN 5905-00-239-5784
NSN 5915-01-500-2147
NSN 5950-00-478-6791
NSN 6220-01-601-2678
NSN 5975-01-014-7231
NSN 4140-00-990-1712