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 6220-00-284-3220
NSN 6620-00-035-5813
NSN 6135-01-578-1148
NSN 6220-01-510-4665
NSN 5905-00-722-2468
NSN 6240-00-146-9322
NSN 6130-01-365-9606
NSN 5935-01-548-7212
NSN 5895-01-188-7470
NSN 5915-00-887-0188
NSN 6135-01-518-9813
NSN 6610-01-492-2630