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 5996-01-364-5393
NSN 5905-00-582-1356
NSN 4140-00-802-1963
NSN 5905-01-459-6402
NSN 6220-01-292-0980
NSN 6220-01-437-2716
NSN 5915-01-412-5008
NSN 5935-00-450-9158
NSN 5935-01-634-0668
NSN 6240-00-658-3207
NSN 7035-00-834-2090
NSN 6645-01-458-7549