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 5920-01-612-0698
NSN 5999-00-674-4480
NSN 4140-01-609-2703
NSN 5990-00-568-4940
NSN 6220-01-457-6344
NSN 6240-01-492-2469
NSN 6240-01-186-3273
NSN 5998-00-469-2500
NSN 6145-01-241-5206
NSN 6320-01-607-0347
NSN 5925-00-481-3131
NSN 5990-00-160-1176