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 5990-01-643-4167
NSN 5950-00-476-7142
NSN 6130-01-359-2701
NSN 5965-01-226-9741
NSN 5855-01-093-8202
NSN 5950-01-198-7923
NSN 6105-00-364-6554
NSN 5975-00-929-1515
NSN 5905-00-176-2695
NSN 5965-01-192-1366
NSN 5835-00-092-1136
NSN 5920-00-817-3387