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 6610-01-324-7017
NSN 6130-01-153-0937
NSN 5920-01-192-5535
NSN 5915-01-025-1362
NSN 4140-01-323-1685
NSN 5935-00-212-3716
NSN 5990-00-896-8930
NSN 6220-00-129-0820
NSN 5990-01-105-5336
NSN 5855-01-616-6544
NSN 6650-01-546-7632
NSN 7035-00-931-9415