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 5895-00-290-6501
NSN 6610-01-179-0116
NSN 6110-01-411-7478
NSN 6130-01-634-0603
NSN 6110-00-303-4955
NSN 6610-01-605-2451
NSN 6320-01-253-9585
NSN 6620-00-446-6866
NSN 5998-00-934-9941
NSN 5930-01-658-7556
NSN 5915-00-340-1135
NSN 4140-01-400-3610