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 5905-00-151-4762
NSN 5950-01-134-4878
NSN 5895-01-413-8682
NSN 6145-00-099-8986
NSN 6110-01-413-9874
NSN 6610-01-487-6843
NSN
NSN 5965-00-289-6280
NSN 6620-01-300-4523
NSN 5945-00-960-5882
NSN 6110-01-633-1761
NSN 6130-01-575-5033