Trans American 13.6-24 14.9-24 Inner Tube with TR218A Valve Stem Tractor / implement inner tube for tire sizes 13.6-24 14.9-24 13.6R24 and 14.9R24 TR218A valve stem. NSN 2610005287685 Also fits metric sizes 340/85R24 and 380/85R24 For use in bias or radial tires.