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 5915-01-398-9831
NSN 6645-01-349-1631
NSN 6105-00-888-9977
NSN 6240-01-498-9673
NSN 6145-01-390-5808
NSN 6620-01-622-4980
NSN 5855-00-149-0766
NSN 6135-01-045-1504
NSN 5985-00-758-4548
NSN 5996-00-454-0281
NSN 6220-00-196-2949
NSN 5998-01-054-3963