This may help you identify the plug nomenclature:
https://www.mypilotstore.com/mypilot...dset-plugs.asp
my guess is this one: "It's generally known as a U-174/U plug or the U-93A/U plug (Nexus TP120)."
Amazon lists things like these, but I don't know if the wiring or impedance involved would match properly:
https://www.amazon.com/Ancable-Helic...Z/ref=pd_sbs_2
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Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.