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 5990-00-761-3754
NSN 6130-00-840-4666
NSN 5985-01-495-9439
NSN 6320-01-609-9763
NSN 6240-00-935-1358
NSN 6620-01-508-6072
NSN 6105-00-166-2154
NSN 5996-00-671-6719
NSN 5945-01-384-3198
NSN 6220-01-435-4839
NSN 5915-01-338-3556
NSN 5935-00-669-2717