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.
NSN 6220-01-381-7218
NSN 5985-00-563-0883
NSN 5915-00-466-2840
NSN 6150-00-840-3674
NSN 6135-01-510-9986
NSN 6620-01-633-8443
NSN 6105-01-632-6455
NSN 6650-01-359-5385
NSN 5930-01-151-1460
NSN 5835-01-325-5677
NSN 5935-01-239-2102
NSN 4140-01-598-8844