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 6610-00-481-7136
NSN 4140-01-055-4705
NSN 6220-00-759-8611
NSN 6320-00-404-3637
NSN 6145-01-181-5936
NSN 5965-01-305-2858
NSN 5975-01-480-0972
NSN 5895-01-598-6407
NSN 5996-00-392-7626
NSN 5935-01-501-8443
NSN 5905-00-142-4698
NSN 6110-00-530-3779