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 6150-01-161-5727
NSN 6620-00-853-2563
NSN 6320-00-164-4087
NSN 5895-01-264-7221
NSN 6610-01-004-2906
NSN 4140-00-200-9082
NSN 6105-01-160-7690
NSN 6130-01-020-9004
NSN 6145-00-420-8066
NSN 5935-00-225-8011
NSN 6320-01-029-4220
NSN 6610-01-368-7150