Panel-mount RCA jack, mono signal path
The 576 is a female phono (RCA) jack from Keystone Electronics, configured for mono signal lines with 2 conductors and 2 contacts. It mounts through a 0.375" (9.52mm) panel hole and secures with a 1/4"-32 threaded nut; termination is via solder eyelets. The brass body and contacts are nickel-plated; the jack is unshielded and ships in bulk.
