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 5990-01-123-6557
NSN 5935-00-192-4662
NSN 6105-00-477-3024
NSN 5935-01-408-7179
NSN 6220-01-336-0130
NSN 5945-01-634-0588
NSN 6110-01-661-0383
NSN 6685-00-642-0533
NSN 5855-00-134-0569
NSN 5930-01-385-2521
NSN 5999-00-900-4778
NSN 6240-01-021-5354