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 4140-00-651-5789
NSN 6685-01-416-2616
NSN 5945-01-186-6349
NSN 5965-01-062-8730
NSN 5950-01-181-5608
NSN 6135-00-347-0595
NSN 5930-00-983-5488
NSN 6135-00-484-8556
NSN 5990-01-433-3786
NSN 4140-00-106-5971
NSN 5945-01-200-8520
NSN 5950-00-432-0915