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 5945-00-186-5069
NSN 6110-01-606-2780
NSN 6320-01-431-4359
NSN 7035-01-412-8322
NSN 5950-01-058-0877
NSN 6145-00-589-1250
NSN 5975-01-634-0678
NSN 6650-00-256-9059
NSN 6145-01-466-0113
NSN 6320-00-004-9158
NSN 6135-00-145-8884
NSN 5835-00-785-7921