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 6610-01-044-4740
NSN 5960-01-142-1995
NSN 5920-01-262-1667
NSN 6150-01-251-1420
NSN 6645-01-219-1862
NSN 5935-01-057-6063
NSN 6110-01-052-2383
NSN 6650-01-488-6418
NSN 5855-01-054-9014
NSN 4140-01-523-6012
NSN 6650-01-235-0981
NSN 6620-00-869-9307