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 5905-00-567-4959
NSN 5999-00-614-3817
NSN 6620-01-183-8959
NSN 6150-01-370-8121
NSN 6650-01-376-6965
NSN 5950-00-546-7806
NSN 6220-00-480-4906
NSN 5855-00-862-3345
NSN 6110-01-384-2091
NSN 5905-01-151-0874
NSN 6620-01-314-3635
NSN 5999-01-178-6205