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 6320-01-029-4220
NSN 6240-01-360-6965
NSN 5960-01-123-8775
NSN 5950-00-286-3301
NSN 6105-01-435-0825
NSN 6320-01-352-5653
NSN 4140-00-987-2925
NSN 5985-00-062-0568
NSN 6650-00-498-6336
NSN 6320-00-242-3300
NSN 5985-01-198-7287
NSN 5960-01-543-0235