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 5920-01-475-9132
NSN 5855-01-366-2429
NSN 5990-01-200-6711
NSN 6620-01-536-7799
NSN 6110-01-386-1536
NSN 6645-01-068-6524
NSN 5925-00-209-0435
NSN 5915-00-984-3296
NSN 6110-00-999-6142
NSN 6685-01-444-3117
NSN 5965-00-834-6298
NSN 5999-01-091-5981