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 5996-00-661-1151
NSN 6130-00-346-6710
NSN 6105-01-024-5806
NSN 5996-00-795-7001
NSN 6150-00-814-5905
NSN 5855-01-291-6790
NSN 6130-01-317-3689
NSN 4140-01-433-3839
NSN 5915-01-440-6475
NSN 6150-00-931-5481
NSN 5855-01-321-3881
NSN 5998-01-250-2437