Please fill out the form below for Chart Hughes 500D and get a quote for part number 911-4308 by Honeywell Aerospace, 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 911-4308. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.