3.5mm 4 Conductor TRRS Panel Mount JackSpecifications 4 conductor Panel mount, solder eyelet Pin 1 - Earth spring Pin 2 - Tip spring Pin 3 - Ring spring Pin 4 - Ring spring Overall height: 0.644" Body diameter: 0.315" Threads: M8*P0.75 Related Products 3.5mm 4P plug (TRRS) (P/N: 2200954)