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 5920-01-196-0933
NSN 5910-01-592-2746
NSN 6220-00-806-2616
NSN 5925-01-250-7965
NSN 5935-01-505-1812
NSN 6145-01-488-5114
NSN 5925-01-383-1463
NSN 5930-00-866-6888
NSN 6145-01-125-6361
NSN 4140-00-753-9204
NSN 5930-01-578-7868
NSN 5930-00-089-3575