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 5930-01-462-3616
NSN 5935-00-992-2456
NSN 5990-01-379-6877
NSN 4140-01-659-6573
NSN 5950-00-772-0521
NSN 6650-00-590-0202
NSN 5960-00-847-6840
NSN 5999-01-546-4283
NSN 5835-00-823-6116
NSN 6610-01-633-8931
NSN 5998-00-583-0527
NSN 6685-00-528-5175