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 6150-01-542-4913
NSN 4140-01-270-1067
NSN 6110-01-068-9241
NSN 6610-00-866-8452
NSN 5960-00-881-2050
NSN 6650-01-342-8453
NSN 5895-01-510-9431
NSN 6150-00-493-9046
NSN 6320-01-631-7828
NSN 5920-00-524-2291
NSN 5855-00-198-3197
NSN 6145-01-417-1705