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 5990-01-084-8330
NSN 6130-01-512-8510
NSN 5835-00-930-8500
NSN 5930-01-472-8515
NSN 5935-01-487-3783
NSN 6320-01-358-8069
NSN 6135-00-309-0074
NSN 4140-01-461-2350
NSN 6220-01-634-0660
NSN 5905-00-252-3876
NSN 5999-01-471-3560
NSN 5895-00-106-6120