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 6620-01-260-7112
NSN 5925-01-569-4427
NSN 4140-00-654-9146
NSN 6150-01-373-1381
NSN 5905-01-360-6055
NSN 5915-01-031-3244
NSN 5935-01-634-0668
NSN 6645-01-492-5304
NSN 5965-01-384-4912
NSN 5915-01-508-4199
NSN 6620-00-589-0071
NSN 6130-00-768-2863