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 5990-01-094-7740
NSN 6320-01-266-7607
NSN 5915-01-374-1173
NSN 5835-01-529-3050
NSN 5960-00-050-4591
NSN 5930-01-654-6139
NSN 5920-01-518-1561
NSN 5915-01-452-8002
NSN 4140-00-391-0879
NSN 7035-01-558-9086
NSN 5910-00-817-6660
NSN 5915-00-186-9346