Please fill out the form below for Controller 640655 28 and get a quote for part number 481008-9028 by Hartwell 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 481008-9028. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.