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 5935-00-723-0349
NSN 5990-01-571-7468
NSN 5930-00-078-3355
NSN 5990-01-378-7349
NSN 6610-01-159-0438
NSN 6620-01-128-9808
NSN 5965-01-550-0163
NSN 5985-01-178-0316
NSN 6145-01-141-6288
NSN 5999-01-450-8584
NSN 6220-00-829-8064
NSN 6240-01-054-2289