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 5996-01-495-0763
NSN 5985-01-193-5913
NSN 5930-00-752-4599
NSN 6320-01-170-4068
NSN 5855-01-203-4719
NSN 6650-01-611-8539
NSN 5915-01-253-4891
NSN 4140-00-394-3538
NSN 5930-00-636-8888
NSN 5999-01-438-8997
NSN 5985-01-330-9443
NSN 5920-01-200-6655