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 6620-01-230-8064
NSN 6150-01-618-6678
NSN 5950-01-202-8456
NSN 5985-01-634-0635
NSN 6130-01-022-5435
NSN 5930-01-181-5605
NSN 6105-00-223-1952
NSN 4140-00-456-0902
NSN 5935-01-358-8988
NSN 6130-01-158-6139
NSN 5945-00-290-1779
NSN 5985-01-454-5165