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 5999-01-391-7003
NSN 6610-00-935-7131
NSN 5895-01-173-3142
NSN 6145-00-925-9812
NSN 5895-00-437-4002
NSN 6650-01-100-0933
NSN 6105-01-206-3992
NSN 5960-00-720-0615
NSN 6685-00-596-8765
NSN 5835-00-994-5116
NSN 5985-00-081-9142
NSN 4140-01-604-9652