AMPHENOL 4 CONTACT MALE MIC CONNECTOR PANEL MOUNT 91PC4M

The Amphenol 91-PC4M is a 4-pin male panel-mount microphone / instrumentation connector featuring a chrome-plated brass shell and black phenolic insulation. Rated for 5-6 Amps and 600V (RMS), it is used in vintage audio/CB equipment and mounts in a 27/32" diameter hole.