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 5996-00-219-6118
NSN 2925-01-645-2948
NSN 6130-01-240-1178
NSN 4140-01-355-5628
NSN 6240-01-130-5141
NSN 5920-00-919-8520
NSN 6320-00-731-6134
NSN 6320-00-994-0179
NSN 6645-01-456-1182
NSN 6620-01-039-5468
NSN 5998-00-305-4087
NSN 5965-01-338-2181