Please fill out the form below for Angl Ext and get a quote for part number S1418821-12000 by Mcdonnell Douglas Corp, 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 S1418821-12000. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.