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 5925-01-228-1507
NSN 6320-01-229-6479
NSN 5895-01-655-3981
NSN 5990-01-031-3842
NSN 5905-00-862-5020
NSN 6130-00-004-6865
NSN 6240-01-416-9144
NSN 5855-00-189-6066
NSN 6130-01-270-6325
NSN 6320-00-937-5625
NSN 5935-01-514-7723
NSN 6220-00-226-1794