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 5920-01-468-6227
NSN 5835-00-660-4523
NSN 6135-01-265-1384
NSN 6610-01-492-6515
NSN 6130-00-217-7695
NSN 6220-01-101-4906
NSN 6110-01-283-6966
NSN 5920-01-171-5427
NSN 6110-01-398-6928
NSN 6110-01-548-5607
NSN 5915-01-183-9326
NSN 5960-01-013-9346