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 2925-00-240-0831
NSN 4140-01-100-1223
NSN 6320-01-582-6668
NSN 5835-01-544-5183
NSN 5945-01-541-3754
NSN 6220-01-246-4285
NSN 5990-00-932-3070
NSN 5895-00-078-7614
NSN 6620-01-549-6653
NSN 6145-01-331-1656
NSN 6610-01-348-5719
NSN 6220-00-481-9969