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 5990-00-941-5989
NSN 6620-01-633-8443
NSN 6105-01-226-9363
NSN 5915-00-301-3818
NSN 4140-00-640-0210
NSN 6240-01-527-4088
NSN 6645-01-435-5322
NSN 5960-01-146-0289
NSN 6220-01-031-3263
NSN 5915-01-159-0811
NSN 6150-00-279-9337
NSN 5895-00-822-6488