Jergens 26874 Threaded Spring Plunger

M10 x 1.5, 29mm Thread Length, 5mm Plunger Projection, Steel Threaded Spring Plunger 4.72mm Max Plunger Diam, 29mm Plunger Length, 2.48 Kg Init End Force, 6.53 Kg Final End Force, 5mm Hex