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 5960-01-293-6624
NSN 6240-01-184-5004
NSN 2925-01-430-4206
NSN 5998-01-111-8681
NSN 5960-00-800-2365
NSN 6240-01-588-6736
NSN 5950-00-082-1616
NSN 5996-01-605-0950
NSN 6135-00-856-1343
NSN 6645-01-547-8490
NSN 6220-00-226-1994
NSN 5998-01-388-2753