David Clark Push-to-Talk (PTT) Switch NX321005B | 09851P-37 pilotshq exclusive Designed and built by the

Designed and built by the Royal Aircraft Factory

Travel in style with this Canvas & Leather Travel Kit

Limited-time "break-in" oil

plus an interior slip pocket for documents

Built specifically for pilots who prefer a kneeboard-mounted EFB

David Clark Push-to-Talk (PTT) Switch NX321005B | 09851P-37 pilotshq exclusive Designed and built by theDavid Clark PTT Switch NX321005B 09851P 37 The David Clark NX321005B 09851P 37 Push to Talk (PTT) Switch is a genuine replacement component engineered for aviation headset and communications systems. OEM David Clark spare part delivering reliable PTT performance in headset systems. Rugged push to talk switch design built to withstand high noise cockpit and ground crew environments. Compact, lightweight construction simplifies installation and