Please fill out the form below for Ext Rub and get a quote for part number S1666726-12000 by Boeing Aircraft, 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 S1666726-12000. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.