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 5920-00-209-0443
NSN 6645-01-623-8825
NSN 5935-01-116-0927
NSN 6130-00-488-6965
NSN 6130-01-484-2162
NSN 5975-01-501-4926
NSN 5855-00-896-4047
NSN 5835-01-158-6878
NSN 6135-00-686-4777
NSN 5975-01-477-2292
NSN 6105-01-482-9607
NSN 5910-01-069-8619