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 5910-00-848-9459
NSN 6220-01-305-4418
NSN 6650-01-433-3056
NSN 6240-01-480-3542
NSN 7035-00-360-2008
NSN 6620-01-462-0001
NSN 5999-01-144-0383
NSN 5945-00-481-8287
NSN 5960-01-392-6982
NSN 5905-01-260-5472
NSN 5910-01-491-2763
NSN 5960-01-406-4136