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 5920-00-149-1469
NSN 6105-01-520-5889
NSN 5835-01-616-6131
NSN 5999-01-612-8719
NSN 5920-00-760-6345
NSN 7035-01-596-3411
NSN 6130-01-436-3611
NSN 6240-01-341-6579
NSN 5990-01-056-6413
NSN 5998-01-580-7162
NSN 5915-00-240-3812
NSN 5930-00-557-9340