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 6145-01-336-3306
NSN 6145-00-472-9413
NSN 6220-00-449-2107
NSN 5990-00-905-4624
NSN 5895-01-642-6364
NSN 5935-01-460-5839
NSN 6130-01-203-1955
NSN 5930-01-516-7607
NSN 6220-00-376-8103
NSN 5895-01-348-3084
NSN 6135-01-148-8531
NSN 5999-01-097-0266