Features & description: 103 Series(1F), Straight plug, with half-shell key(G), cable collet,  Female contacts Material:Brass (chrome plated) shell and collet nut, nickel plated  brass latch sleeve and mid pieces Protection index (mated): IP 50. Fits 5.2mm to 6.5mm Cable Wide Range of Applications:Suitable for low voltage connectors, microphone, and DINSE applications.