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 5990-01-123-2596
NSN 6220-01-480-4000
NSN 5985-00-492-8111
NSN 5960-01-215-0992
NSN 5935-01-464-7700
NSN 6240-01-381-6815
NSN 6110-01-652-8542
NSN 6320-01-115-4404
NSN 5945-00-251-7812
NSN 5996-00-936-9038
NSN 5998-00-557-2832
NSN 6320-00-174-1362