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 5930-01-379-4039
NSN 5895-01-463-8357
NSN 6650-00-433-4929
NSN 6110-00-819-4917
NSN 6240-01-324-0323
NSN 5920-01-007-6165
NSN 6320-01-652-3806
NSN 6130-00-960-9158
NSN 5905-00-443-1495
NSN 5990-01-068-1651
NSN 6145-01-011-1016
NSN 5950-01-297-3983