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 5975-01-014-6161
NSN 5920-00-092-8729
NSN 5855-01-268-6468
NSN 5998-01-164-1596
NSN 6610-01-400-3880
NSN 4140-01-580-8573
NSN 5895-01-632-9475
NSN 6620-01-135-0090
NSN 5835-00-679-4604
NSN 6240-01-004-9634
NSN 6240-01-583-8486
NSN 6320-00-284-1524