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 5915-00-856-9424
NSN 5925-01-307-7762
NSN 5925-01-440-7569
NSN 5965-01-477-4938
NSN 6320-01-425-1417
NSN 6650-01-250-3989
NSN 6240-00-357-7976
NSN 6240-01-654-9278
NSN 5915-01-091-8610
NSN 5920-01-660-5749
NSN 5935-01-227-6878
NSN 5930-01-206-5559