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 5855-01-154-3871
NSN 5855-01-157-5505
NSN 6240-01-322-5521
NSN 5935-01-634-0668
NSN 6130-00-486-7824
NSN 5950-00-068-1594
NSN 5945-01-407-0385
NSN 6610-01-633-8931
NSN 5960-00-083-2793
NSN 5935-00-705-9329
NSN 5998-00-105-6775
NSN 6610-01-265-1824