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 5835-01-010-0002
NSN 5996-01-032-4942
NSN 5950-01-519-7180
NSN 4140-01-278-4566
NSN 6240-01-187-3687
NSN 6610-01-486-4522
NSN 6220-00-147-7064
NSN 5920-00-727-1452
NSN 4140-01-060-1438
NSN 5905-00-822-9811
NSN 5950-00-972-8476
NSN 5985-01-595-7542