DAVID CLARK Model H10-40 HEADSET (untested parts repair) ***

David Clark 40918G-61 C6752 Headset IS Adapter - Harris P5400, P7300

VTG David Clark Model H10-40 Aviation Headset w/ M-4 Microphone Untested

David Clark H10-40 Headset w/ Noise Canceling

Vintage David Clark Pilot Headset Model H10-40 With TERRA TPX 20 .

Pair Of David Clark Aviation H10-40 Headsets with Dual Plugs. Good Working Cond

DAVID CLARK HEADSET AVIATION DEVICE & BOSE ANR AVIATION GEAR

2 X DAVID CLARK Model H10-40 & 30 Aviation HEADSET Microphone Dual Plug Untested