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 6105-00-649-5209
NSN 6320-00-242-0626
NSN 5965-01-026-9865
NSN 4140-01-583-2106
NSN 5950-01-045-1701
NSN 5925-01-193-6056
NSN 6130-00-629-0738
NSN 5975-01-512-8525
NSN 5935-01-453-6809
NSN 6645-00-547-4388
NSN 5905-01-074-0153
NSN 5835-00-764-1895