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 4140-01-518-2900
NSN 5920-01-460-9050
NSN 6110-00-492-1167
NSN 6320-00-681-1324
NSN 5915-01-222-0879
NSN 6130-00-528-7838
NSN 5985-01-143-5910
NSN 5935-01-380-7270
NSN 5990-01-533-1347
NSN 5925-00-732-7530
NSN 6650-01-422-1037
NSN 5925-01-431-8886