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 5915-01-391-3744
NSN 5990-01-147-5225
NSN 6135-01-458-3851
NSN 5999-01-388-1989
NSN 6135-00-016-0071
NSN 5945-00-849-5368
NSN 6110-00-923-0168
NSN 6650-01-449-8637
NSN 5945-01-076-3211
NSN 5999-01-558-5147
NSN 6130-00-794-8653
NSN 6620-01-433-7952