connector, circular microphone, female cable jack, 4 socket contact, rated 3A
Chrome plated machined brass shells with threaded coupling and black phenolic dielectric. Panel receptacle mounting hole 27/32" diameter. Maximum chassis thickness 1/8". Allied Electronics:
connector, circular microphone, female cable jack, 4 socket contact, rated 3 amp
Newark:
# COOPER INTERCONNECT 91-MC4F DIN Audio / Video Connector, 4 Contacts, Jack, Cable Mount, Metal Body, 91 Series