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 6130-00-544-4943
NSN 4140-01-414-7093
NSN 5935-01-286-5852
NSN 6620-01-557-1941
NSN 5950-00-290-8090
NSN 6220-01-054-8593
NSN 6610-01-139-6341
NSN 5999-00-189-0032
NSN 5920-01-531-1927
NSN 6320-01-384-7079
NSN 6220-01-055-6555
NSN 5915-01-054-3788