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 4140-01-107-2246
NSN 5960-01-567-1096
NSN 5999-00-556-6313
NSN 5960-01-044-4902
NSN 6220-00-369-5422
NSN 6105-01-429-4657
NSN 5915-01-579-2093
NSN 6110-01-441-9617
NSN 6110-00-056-1565
NSN 6620-01-307-6740
NSN 5910-01-391-1268
NSN 5935-01-115-2593