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 5990-01-139-6042
NSN 5835-01-392-7683
NSN 5895-01-615-2147
NSN 5905-00-186-0942
NSN 6320-00-036-3688
NSN 5935-01-589-6262
NSN 4140-00-951-3093
NSN 6145-01-068-4668
NSN 5950-01-303-9983
NSN 5835-01-384-3206
NSN 6650-01-013-3243
NSN 6105-01-459-4831