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 6620-00-556-1976
NSN 5915-01-473-1752
NSN 6110-01-587-0918
NSN 6110-01-612-3507
NSN 5965-01-386-2988
NSN 5950-01-453-2154
NSN 5855-01-211-2437
NSN 6610-01-062-9994
NSN 5996-01-103-6567
NSN 5998-01-346-3221
NSN 5915-00-162-1841
NSN 5855-01-607-6521