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 6240-00-269-3346
NSN 2925-01-411-0896
NSN 5910-01-593-0758
NSN 5910-00-632-8117
NSN 5960-01-252-6331
NSN 5998-01-381-2190
NSN 6650-01-226-4819
NSN 6130-01-376-3223
NSN 5950-01-280-5469
NSN 6620-00-601-3885
NSN 6130-01-201-0664
NSN 4140-01-538-2145