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 5905-00-164-6383
NSN 6645-01-179-0243
NSN 5990-01-582-1977
NSN 6650-01-503-5419
NSN 6650-01-189-4433
NSN 6150-00-418-8498
NSN 5985-01-124-9182
NSN 6610-01-314-1611
NSN 5905-01-255-6525
NSN 6610-01-423-0250
NSN 6620-01-612-9030
NSN 6620-00-978-8830