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 5915-01-412-1374
NSN 5920-00-529-0618
NSN 5920-01-483-0396
NSN 6320-01-552-8721
NSN 6610-01-425-5696
NSN 5855-01-634-0259
NSN 5855-00-149-0766
NSN 6685-00-445-9067
NSN 5935-01-119-8965
NSN 5965-01-255-8691
NSN 7035-00-908-4933
NSN 5920-01-649-6892