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 5960-01-424-0590
NSN 5925-00-186-0765
NSN 6610-01-205-6424
NSN 6105-00-202-2469
NSN 2925-01-534-7314
NSN 5915-01-612-0100
NSN 5920-01-461-8719
NSN 5835-00-419-0575
NSN 5998-00-804-2257
NSN 5985-01-063-0488
NSN 5990-00-024-9985
NSN 6320-01-449-1014