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 5935-01-428-2503
NSN 6135-01-407-0594
NSN 5835-00-461-3342
NSN 6110-01-310-8476
NSN 6610-01-062-9994
NSN 6150-01-502-6017
NSN 5905-00-782-8150
NSN 5855-01-437-6161
NSN 6135-01-186-4010
NSN 5835-00-939-7470
NSN 5998-00-445-6763
NSN 6220-00-541-8515