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 5835-00-233-6327
NSN 2925-01-604-8984
NSN 6220-01-329-2582
NSN 5998-01-423-8931
NSN 6610-01-400-3880
NSN 5990-01-239-1474
NSN 6135-01-365-2707
NSN 5945-01-193-1787
NSN 5965-01-256-9460
NSN 6240-00-357-7976
NSN 5855-00-436-3852
NSN 5960-01-102-6746