Please fill out the form below for Microcircuit and get a quote for part number M74HC123B1R by Airborn, 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 M74HC123B1R. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.