Please fill out the form below for Microcircuits Screened and get a quote for part number 391-0002-680 by Collins Avionics Service Centre, 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 391-0002-680. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.