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 6150-00-156-4581
NSN 6650-00-405-0702
NSN 5950-01-312-2069
NSN 5999-00-788-5279
NSN 2925-01-422-1542
NSN 6220-01-091-9103
NSN 6130-01-112-0158
NSN 5905-01-202-9237
NSN 6220-00-553-8938
NSN 5835-01-183-7467
NSN 5835-01-431-6877
NSN 5920-01-206-3977