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 6620-01-246-7133
NSN 5965-01-112-8758
NSN 4140-01-231-4863
NSN 6650-00-629-8027
NSN 5910-01-419-5940
NSN 6320-01-220-2264
NSN 5985-01-233-5841
NSN 6105-00-728-8612
NSN 6135-01-190-2628
NSN 5835-00-949-3018
NSN 5945-00-449-7057
NSN 6135-00-248-4102