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 6110-00-325-4519
NSN 6610-00-764-4015
NSN 5950-01-572-5670
NSN 4140-00-815-7093
NSN 5920-00-101-8266
NSN 6320-01-140-7025
NSN 6620-01-631-8889
NSN 5855-01-167-2162
NSN 6110-01-043-4179
NSN 5935-01-149-4107
NSN 6130-00-139-6262
NSN 6110-01-431-8889