[MRCA] J22/ARC-5 throat mic push to talk switch question

[Captain D.]

There is a 3 lead male receptacle on the J-22/ARC-5 jack box, below the hard wired cord that plugs into the throat/mask microphone.  Wiring diagrams say that this receptacle connect to a throat microphone push to talk switch.  Does anybody know the nomenclature of the switch? Thanks 73Mark D.WW2RDO
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