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 5920-00-139-3736
NSN 5945-01-498-4452
NSN 5920-00-894-4556
NSN 5990-01-033-1423
NSN 5855-01-067-8841
NSN 5985-00-369-5649
NSN 6150-00-493-6713
NSN 6105-01-207-6045
NSN 6110-01-614-1289
NSN 7035-01-250-5744
NSN 6645-00-344-7558
NSN 5999-00-429-1915