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 6240-00-248-6517
NSN 5930-00-193-1797
NSN 6620-01-386-5543
NSN 6145-01-424-3364
NSN 6220-00-655-2863
NSN 4140-00-577-3512
NSN 5950-01-024-8546
NSN 5835-00-143-4153
NSN 5950-00-859-2536
NSN 6110-00-538-4507
NSN 5950-00-293-8260
NSN 5835-01-462-5983