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 5985-01-398-0004
NSN 5835-00-368-4182
NSN 5950-01-645-4986
NSN 2925-01-013-0413
NSN 5925-01-612-1007
NSN 5915-01-207-1416
NSN 6610-00-408-4775
NSN 6150-00-105-0144
NSN 5999-01-574-6392
NSN 5960-01-415-3574
NSN 5990-01-370-4785
NSN 5950-01-083-3305