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 5998-01-282-2319
NSN 4140-01-434-8238
NSN 5915-01-423-4642
NSN 2925-00-660-8131
NSN 6220-00-601-8153
NSN 5935-01-071-9554
NSN 6150-00-550-6898
NSN 5990-01-443-2931
NSN 5920-01-534-3806
NSN 5855-01-510-9416
NSN 5935-01-417-1864
NSN 5930-00-794-1221