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 5950-00-980-7767
NSN 5930-01-110-1023
NSN 6240-01-449-0746
NSN 5965-01-142-1807
NSN 5945-00-438-3285
NSN 6135-00-862-5736
NSN 5990-01-054-3332
NSN 5920-01-414-2393
NSN 6130-01-151-5357
NSN 6135-00-726-4142
NSN 5950-01-378-6705
NSN 6610-01-112-0447