Please fill out the form below for Headset Microphone H8535 and get a quote for part number 40689G-03 by David Clark Company Incorporated, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number 40689G-03. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.