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 6320-01-116-3980
NSN 6685-01-422-4241
NSN 5950-01-140-1506
NSN 5910-00-349-7083
NSN 4140-01-130-7858
NSN 5990-01-421-5342
NSN 5920-01-461-2423
NSN 5920-01-496-6554
NSN 6650-01-493-9985
NSN 5960-01-062-9106
NSN 5985-01-540-5628
NSN 5985-01-305-5973