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 4140-01-227-6918
NSN 6135-01-556-7318
NSN 6150-01-512-9263
NSN 5915-00-518-1644
NSN 4140-00-353-5757
NSN 5920-01-518-5670
NSN 5999-00-351-0540
NSN 5975-01-290-4719
NSN 6650-00-668-5703
NSN 5910-01-295-5110
NSN 6620-01-512-2016
NSN 7035-00-731-8729