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 5998-01-430-2773
NSN 6150-01-006-8617
NSN 5920-00-075-7964
NSN 5935-00-513-9606
NSN 5915-00-988-7931
NSN 5999-01-236-6511
NSN 6145-01-459-8150
NSN 5945-01-235-0525
NSN 5905-01-177-6327
NSN 6320-01-562-1599
NSN 5930-01-096-8979
NSN 5835-01-473-1620