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 5996-00-522-0841
NSN 5990-01-516-6791
NSN 5998-01-421-2616
NSN 5975-01-504-6151
NSN 6320-01-359-3921
NSN 6105-00-189-0515
NSN 5990-00-757-5262
NSN 5910-01-055-3644
NSN 7035-00-997-6212
NSN 6320-00-433-2773
NSN 6150-01-169-5229
NSN 5999-01-397-0806