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 5960-01-512-0233
NSN 5985-01-227-2035
NSN 6650-01-155-8182
NSN 6240-01-373-9423
NSN 6650-01-471-2171
NSN 5945-01-347-7162
NSN 5915-00-597-2369
NSN 5920-01-140-1120
NSN 6645-01-359-5769
NSN 6320-01-440-8771
NSN 5998-01-229-1031
NSN 5990-01-191-9624