Please fill out the form below for Tube Electron 8121 and get a quote for part number 256-0145-000 by Hawker Beechcraft Ltd, 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 256-0145-000. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.