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 5920-00-752-0458
NSN 6135-00-243-8330
NSN 6610-01-572-5149
NSN 6320-01-189-5024
NSN 5835-01-485-0210
NSN 5950-01-383-8087
NSN 5935-01-492-6157
NSN 5998-00-657-4768
NSN 6240-00-197-6819
NSN 6610-01-544-6551
NSN 5998-01-112-0223
NSN 5965-01-598-6114