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 5998-01-089-9059
NSN 5895-01-255-2265
NSN 6220-01-052-3986
NSN 6620-00-807-6954
NSN 5895-00-654-5812
NSN 6130-00-993-8230
NSN 6150-01-556-6177
NSN 6110-01-457-8039
NSN 5915-01-269-7972
NSN 5910-01-341-9076
NSN 5960-00-890-9032
NSN 5935-01-527-2866