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 6320-01-574-1915
NSN 5930-01-028-9719
NSN 5975-01-146-4240
NSN 5935-00-179-4682
NSN 6110-00-238-9636
NSN 6105-00-770-6180
NSN 6105-01-634-0322
NSN 5945-01-062-0794
NSN 5960-00-008-6503
NSN 5920-00-390-3437
NSN 6240-01-463-3132
NSN 5925-00-248-4331