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 5975-00-852-7170
NSN 5855-01-180-5369
NSN 6320-01-125-3361
NSN 5999-01-469-2081
NSN 6105-00-320-8322
NSN 5945-01-392-3583
NSN 5910-01-438-2141
NSN 5835-01-106-0199
NSN 2925-01-604-8984
NSN 6220-01-435-6297
NSN 6150-00-831-6940
NSN 6150-01-557-4641