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 5990-01-290-4787
NSN 6220-01-581-7214
NSN 6105-01-106-4157
NSN 5910-01-306-7458
NSN 2925-00-480-1531
NSN 6105-00-739-7957
NSN 5930-01-478-2769
NSN 5935-01-444-7281
NSN 5925-00-581-6902
NSN 5999-00-152-7273
NSN 5925-01-492-4782
NSN 5998-00-739-8930