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 5999-01-649-7971
NSN 6150-01-220-2006
NSN 5935-01-249-6917
NSN 5990-00-111-3614
NSN 6110-01-545-4522
NSN 5935-01-259-8754
NSN 5855-00-973-5717
NSN 5998-00-141-9872
NSN 5975-01-011-1313
NSN 5990-01-191-9624
NSN 6135-00-851-8575
NSN 5930-01-310-8975