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 5990-01-481-2331
NSN 7035-00-834-2090
NSN 6105-00-906-3491
NSN 6105-01-428-8921
NSN 6110-00-927-8186
NSN 5975-01-350-4067
NSN 6620-01-652-4349
NSN 5920-00-146-1314
NSN 5945-01-137-6380
NSN 5999-01-557-1940
NSN 5935-00-318-8648
NSN 6220-01-421-4448