Please fill out the form below for Hook Bumper Ay and get a quote for part number WD5389 by Sikorsky Aircraft Corporation, 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 WD5389. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.