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 5990-01-364-0813
NSN 6130-01-475-6051
NSN 5910-01-211-6936
NSN 5910-00-944-7576
NSN 5998-00-275-9136
NSN 5965-01-413-2938
NSN 5996-01-595-4788
NSN 5990-01-242-9653
NSN 5998-01-264-3472
NSN 5985-01-425-1753
NSN 5920-01-422-4790
NSN 5920-00-741-5418