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 5975-01-478-3514
NSN 6320-01-511-1526
NSN 5855-01-222-6065
NSN 5895-00-809-9869
NSN 5910-01-417-2597
NSN 6110-01-251-1256
NSN 5999-01-258-5868
NSN 4140-00-001-8404
NSN 5965-01-029-5222
NSN 6645-01-440-8624
NSN 5965-00-583-4865
NSN 6130-00-192-0246