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 6105-01-443-6858
NSN 6110-00-288-4179
NSN 5915-01-423-4642
NSN 7035-01-381-6185
NSN 6645-00-149-1100
NSN 5930-01-430-1785
NSN 6240-01-090-7263
NSN 5930-00-379-6731
NSN 6150-01-332-2700
NSN 5990-01-054-4255
NSN 5835-00-227-7909
NSN 6650-01-091-4241