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 5965-00-726-3168
NSN 6650-00-327-5846
NSN 5950-01-391-8039
NSN 6320-00-433-2773
NSN 5975-00-140-1825
NSN 5915-01-162-9199
NSN 5920-01-612-1424
NSN 6650-01-268-6630
NSN 5910-00-584-5822
NSN 4140-01-229-2088
NSN 5998-01-612-0622
NSN 6145-01-178-6056