Please fill out the form below for Tcas 2000 6 Mcu Change 6 04A Com and get a quote for part number 7517900-10002 by Avia Communication, 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 7517900-10002. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.