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 5920-01-461-3214
NSN 4140-00-262-9921
NSN 6105-01-290-0981
NSN 5960-00-945-1833
NSN 7035-01-630-3552
NSN 5930-01-580-9931
NSN 6110-01-411-6619
NSN 5996-01-318-3163
NSN 5855-00-149-0766
NSN 5930-01-231-2518
NSN 6220-01-468-6030
NSN 6645-00-390-7657