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 5985-00-856-6663
NSN 5999-00-597-0851
NSN 6135-01-380-0059
NSN 6145-00-968-6603
NSN 5930-01-589-3692
NSN 6645-01-487-4341
NSN 6135-00-087-5300
NSN 6145-01-358-9979
NSN 6150-01-600-2320
NSN 6220-00-263-4893
NSN 5945-00-581-1381
NSN 5835-01-493-1826