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 5945-00-226-0131
NSN 5855-01-458-0211
NSN 6110-00-153-0936
NSN 4140-00-289-4334
NSN 6645-00-258-8547
NSN 7035-00-445-9657
NSN 5950-01-243-6852
NSN 5998-01-652-9988
NSN 5835-00-936-8753
NSN 2925-01-421-9665
NSN 5930-00-692-4996
NSN 6650-00-778-2949