0.45 SQ1.02X4 4.06 6.1 5.08 2.54 SQ7 1/4-36UNS-2A 2.54 5.08 3.9 1.8 13.5 5.8 PCB MOUNTING HOLE 1.25 3 Insulation 1 TEFLON 2 Center Pin 1 Gold-Plating 1 Gold-Plating 1 SMA-50KE Body FS55.23.