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 5975-01-625-2218
NSN 5835-01-604-6337
NSN 6135-00-437-5182
NSN 5960-01-012-4936
NSN 6145-01-338-8344
NSN 6110-01-081-3385
NSN 6105-00-446-2971
NSN 6145-01-482-4647
NSN 4140-01-363-8263
NSN 5945-01-228-8826
NSN 6240-01-472-2950
NSN 6150-01-388-3009