Designed as a request from US SOCOM to let operators interface their Comtac / Sordin headsets with general aviation aircraft communications systems - NON-AMPLIFIED (operators using low impedance headsets with a high impedance aircraft radio will need to use our Amplified Aviation Adapter, Amazon ASIN B08QPZ33NG) - NATO standard TP-120 / U-174 / U-93 / Helicopter plug end on headset side, PJ-068 and PJ-055B Dual General Aviation Plugs on radio side - Military / NATO wiring on headset end (can be converted to civilian/ commercial wiring with our wiring adapter, Amazon ASIN B07KJYV77R) - Splash resistant - Simple plug and play install between your headset and aircraft radio - Made in the USA