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 5998-01-472-3131
NSN 5999-00-185-6032
NSN 5935-01-462-6056
NSN 6150-01-446-5001
NSN 5998-00-962-8808
NSN 5920-01-374-2093
NSN 5925-00-013-1258
NSN 6320-00-908-6841
NSN 5855-01-141-8227
NSN 2925-00-513-6644
NSN 5945-01-459-1560
NSN 5915-01-563-8054