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 5999-00-495-0024
NSN 5915-00-448-2165
NSN 6145-00-829-7469
NSN 4140-01-012-2460
NSN 4140-01-044-8808
NSN 6135-00-715-4001
NSN 7035-00-329-4015
NSN 6620-01-442-8444
NSN 5915-00-542-2179
NSN 6110-00-564-8980
NSN 5990-01-132-4156
NSN 5990-01-170-6081