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 6620-01-473-8262
NSN 5920-01-474-7536
NSN 5996-00-933-4163
NSN 6150-01-056-5288
NSN 6105-01-323-9506
NSN 5945-00-165-3878
NSN 5965-01-475-3024
NSN 6650-00-434-0188
NSN 5960-01-582-6167
NSN 5985-00-958-7511
NSN 6240-00-809-8510
NSN 6650-01-058-0049