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 5975-01-168-7643
NSN 6240-01-268-0409
NSN 5855-00-051-2792
NSN 6110-01-364-3273
NSN 5895-01-032-3910
NSN 5960-01-121-4105
NSN 5945-01-249-7414
NSN 5950-00-832-2897
NSN 5935-01-062-0705
NSN 6150-01-058-7416
NSN 6150-00-869-7836
NSN 5855-00-944-0949