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 5895-00-316-3385
NSN 6220-01-188-1806
NSN 5920-01-495-1268
NSN 5920-00-221-4556
NSN 5935-00-895-3559
NSN 6240-01-225-4671
NSN 6130-01-285-3828
NSN 5999-00-467-9305
NSN 5960-00-824-3719
NSN 5998-00-451-9934
NSN 5935-00-627-6531
NSN 6320-01-450-1696