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 5935-01-092-5379
NSN 5975-00-117-9515
NSN 5999-00-229-1361
NSN 4140-00-931-8500
NSN 5855-00-610-4052
NSN 5935-00-453-8699
NSN 5950-00-468-0947
NSN 5915-01-029-0801
NSN 6320-00-476-6898
NSN 5965-01-147-5847
NSN 5990-01-460-6390
NSN 6650-00-546-9641