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 6105-00-642-2056
NSN 6620-01-091-9697
NSN 5915-00-709-0068
NSN 5935-00-011-5031
NSN 5998-01-073-9062
NSN 6105-01-614-7419
NSN 5960-01-023-8800
NSN 5960-01-387-5290
NSN 5998-01-419-5971
NSN 5945-00-991-3828
NSN 5915-01-513-5764
NSN 5960-01-327-0334